Collect annotations for JUnit3 tests.

Necessary to support test annotation filtering in Android.

Change-Id: Id4c2923bf3f0aff0847dc8b4705a502c7540d80d
Merge "Collect annotations for JUnit3 tests."
Merge tag 'tags/android-4.4_r1' into kitkat-staging

Android 4.4 Release 1.0