Restore older API level emulator tests

.travis.yml

@@ -3,8 +3,8 @@ env:
   global:
     - ADB_INSTALL_TIMEOUT=8 # minutes (2 minutes by default)
   matrix:
-    #- ANDROID_TARGET=android-15
-    #- ANDROID_TARGET=android-16
+    - ANDROID_TARGET=android-15
+    - ANDROID_TARGET=android-16
     - ANDROID_TARGET=android-19
 
 os: linux
@@ -17,11 +17,11 @@ android:
     - build-tools-24.0.3
     - android-24
     - extra-android-m2repository
-    #- android-15
-    #- android-16
+    - android-15
+    - android-16
     - android-19
-    #- sys-img-armeabi-v7a-android-15
-    #- sys-img-armeabi-v7a-android-16
+    - sys-img-armeabi-v7a-android-15
+    - sys-img-armeabi-v7a-android-16
     - sys-img-armeabi-v7a-android-19
 
 matrix:

scripts/before-test.sh

@@ -5,7 +5,7 @@ then
     sudo apt-get install python3
 
     echo no | android create avd --force -n test -t $ANDROID_TARGET --abi armeabi-v7a
-    emulator -avd test -no-skin -no-audio -no-window &
+    emulator -avd test -no-skin -no-window &
     android-wait-for-emulator
     adb shell input keyevent 82 &
     ./gradlew squidb-tests:installDebug squidb-tests:installDebugAndroidTest