First cut integrating gradle for use in Android Studio

TODO: Remove lint ignores and uncomment 2 subprojects from settings.gradle
Lint 0.8.1 fixed some issues(http://code.google.com/p/android/issues/detail?id=40005), removing TODO and cleaning up the code

Moving HelloAndroidTest to HelloAndroid, tests are successful

Removing deprecation from the testcase

Adding gradle files to some projects which didn't have a build.gradle file
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'refs/remotes/origin/master'

Conflicts:
	Examples/GraphicsValueAnimator/AndroidManifest.xml
	Examples/HelloAndroid/AndroidManifest.xml