[RunAllTests] Fix part of #3974: Cherry-pick MR3 release blocker fixes (

#3975)

* Fix #3946: Fix solution automatically revealing after first hint reveal (#3955)

* Fix solution auto showing after hint reveal.

See #3946 & PR for specifics.

* Add translations for new hint/solution.

* Lint fixes.

* Add TODO.

* Fix Gradle-variant tests.

* Fix #3937: Ensure ViewEventLogsViewModel builds for alpha builds (#3957)

* Ensure ViewEventLogsViewModel builds for alpha.

* BUILD file lint fix.

* Fix #3939 & #3938: Fix KitKat crash & SVG rendering issues (#3963)

* Fix KitKat crash when opening Help menu.

* Fix SVG rendering on SDKs 19-23 (incl).

* Add regex check to prohibit Delegates.

* Lint fixes.

* Add exemption for regex script test.

* Update file_content_validation_checks.textproto

Grammar fix in error.

* Update RegexPatternValidationCheckTest.kt

Copy grammar fix to test copy of error.

* Update version.bzl (#3964)

Bump version codes for another RC of release-0.6.

* Embed proguard.map in optimized AAB builds. (#3973)

app/BUILD.bazel

@@ -648,6 +648,7 @@ kt_android_library(
         "//third_party:androidx_databinding_databinding-runtime",
         "//utility",
         "//utility/src/main/java/org/oppia/android/util/extensions:context_extensions",
+        "//utility/src/main/java/org/oppia/android/util/logging/firebase:debug_event_logger",
         "//utility/src/main/java/org/oppia/android/util/logging/firebase:debug_module",
         # TODO(#59): Remove 'debug_util_module' once we completely migrate to Bazel from Gradle as
         # we can then directly exclude debug files from the build and thus won't be requiring this module.

app/src/main/java/org/oppia/android/app/help/HelpActivity.kt

@@ -14,7 +14,6 @@ import org.oppia.android.app.help.thirdparty.ThirdPartyDependencyListActivity
 import org.oppia.android.app.translation.AppLanguageResourceHandler
 import org.oppia.android.util.extensions.getStringFromBundle
 import javax.inject.Inject
-import kotlin.properties.Delegates
 
 const val HELP_OPTIONS_TITLE_SAVED_KEY = "HelpActivity.help_options_title"
 const val SELECTED_FRAGMENT_SAVED_KEY = "HelpActivity.selected_fragment"
@@ -45,8 +44,6 @@ class HelpActivity :
 
   private lateinit var selectedFragment: String
   private lateinit var selectedHelpOptionsTitle: String
-  private var selectedDependencyIndex by Delegates.notNull<Int>()
-  private var selectedLicenseIndex by Delegates.notNull<Int>()
 
   override fun onCreate(savedInstanceState: Bundle?) {
     super.onCreate(savedInstanceState)
@@ -57,9 +54,9 @@ class HelpActivity :
     )
     selectedFragment =
       savedInstanceState?.getStringFromBundle(SELECTED_FRAGMENT_SAVED_KEY) ?: FAQ_LIST_FRAGMENT_TAG
-    selectedDependencyIndex =
+    val selectedDependencyIndex =
       savedInstanceState?.getInt(THIRD_PARTY_DEPENDENCY_INDEX_SAVED_KEY) ?: 0
-    selectedLicenseIndex = savedInstanceState?.getInt(LICENSE_INDEX_SAVED_KEY) ?: 0
+    val selectedLicenseIndex = savedInstanceState?.getInt(LICENSE_INDEX_SAVED_KEY) ?: 0
     selectedHelpOptionsTitle = savedInstanceState?.getStringFromBundle(HELP_OPTIONS_TITLE_SAVED_KEY)
       ?: resourceHandler.getStringInLocale(R.string.faq_activity_title)
     helpActivityPresenter.handleOnCreate(

app/src/main/java/org/oppia/android/app/help/HelpActivityPresenter.kt

@@ -18,7 +18,6 @@ import org.oppia.android.app.help.thirdparty.LicenseTextViewerFragment
 import org.oppia.android.app.help.thirdparty.ThirdPartyDependencyListFragment
 import org.oppia.android.app.translation.AppLanguageResourceHandler
 import javax.inject.Inject
-import kotlin.properties.Delegates
 
 /** The presenter for [HelpActivity]. */
 @ActivityScope
@@ -31,8 +30,8 @@ class HelpActivityPresenter @Inject constructor(
 
   private lateinit var selectedFragmentTag: String
   private lateinit var selectedHelpOptionTitle: String
-  private var selectedDependencyIndex by Delegates.notNull<Int>()
-  private var selectedLicenseIndex by Delegates.notNull<Int>()
+  private var selectedDependencyIndex: Int? = null
+  private var selectedLicenseIndex: Int? = null
 
   fun handleOnCreate(
     helpOptionsTitle: String,
@@ -60,7 +59,7 @@ class HelpActivityPresenter @Inject constructor(
     val titleTextView =
       activity.findViewById<TextView>(R.id.options_activity_selected_options_title)
     if (titleTextView != null) {
-      setMultipaneContainerTitle(helpOptionsTitle!!)
+      setMultipaneContainerTitle(helpOptionsTitle)
     }
     val isMultipane = activity.findViewById<FrameLayout>(R.id.multipane_options_container) != null
     if (isMultipane) {
@@ -140,8 +139,8 @@ class HelpActivityPresenter @Inject constructor(
       outState.putString(HELP_OPTIONS_TITLE_SAVED_KEY, titleTextView.text.toString())
     }
     outState.putString(SELECTED_FRAGMENT_SAVED_KEY, selectedFragmentTag)
-    outState.putInt(THIRD_PARTY_DEPENDENCY_INDEX_SAVED_KEY, selectedDependencyIndex)
-    outState.putInt(LICENSE_INDEX_SAVED_KEY, selectedLicenseIndex)
+    selectedDependencyIndex?.let { outState.putInt(THIRD_PARTY_DEPENDENCY_INDEX_SAVED_KEY, it) }
+    selectedLicenseIndex?.let { outState.putInt(LICENSE_INDEX_SAVED_KEY, it) }
   }
 
   private fun setUpToolbar() {
@@ -156,7 +155,13 @@ class HelpActivityPresenter @Inject constructor(
       val currentFragment = getMultipaneOptionsFragment()
       if (currentFragment != null) {
         when (currentFragment) {
-          is LicenseTextViewerFragment -> handleLoadLicenseListFragment(selectedDependencyIndex)
+          is LicenseTextViewerFragment -> {
+            handleLoadLicenseListFragment(
+              checkNotNull(selectedDependencyIndex) {
+                "Expected dependency index to be selected & defined"
+              }
+            )
+          }
           is LicenseListFragment -> handleLoadThirdPartyDependencyListFragment()
         }
       }

app/src/sharedTest/java/org/oppia/android/app/player/state/StateFragmentTest.kt

@@ -2603,6 +2603,7 @@ class StateFragmentTest {
     targetTextViewId: Int
   ) {
     scrollToViewType(SELECTION_INTERACTION)
+    // First, check that the option matches what's expected by the test.
     onView(
       atPositionOnView(
         recyclerViewId = R.id.selection_interaction_recyclerview,