Update the privacy policy

Emphasize further that we don't get any information about the users as individuals and that we might share the aggregated data with other developers.

app/src/main/res/values/eula.xml

@@ -12,11 +12,13 @@
     in an anonymous form. Note that the data is anonymous - no personally identifiable information
     is collected.  This anonymous information
     is transmitted to Google – not the Sky Map developers. Google Analytics then compiles
-    statistical reports for us on the percentage of users that use certain features or
-    have certain versions of Android. This is essential for us to discover which features
+    statistical reports that tell us things like the percentage of users that use certain features,
+    have particular versions of Android or have phones that have certain features (such as a gyroscope).
+    This is essential for us to discover which features
     people like and dislike and when we can drop support for obsolete versions of Android
-    and thus make Sky Map better.<br/>
-    We respect your privacy and do not collect your personal information. If you do not
+    and thus make Sky Map better.  We might share these reports with third parties.<br/>
+    We respect your privacy and do not collect your personal information - we cannot tell anything about
+    you as a user. If you do not
     wish to share this anonymous data with Google Analytics you can opt out via the settings menu.
     Otherwise, thank you for helping make Sky Map better. For more information on
     Google Analytics see  https://www.google.com/analytics/