Collect annotations for JUnit3 tests.

Necessary to support test annotation filtering in Android.

Cherry-pick of Id4c2923bf3f0aff0847dc8b4705a502c7540d80d

Bug: 9567893
Change-Id: Icebde30f7e55f41811b72eb00c355dfea274830d
am 5dade2c0: Collect annotations for JUnit3 tests.

* commit '5dade2c0c0934491b15d0a1783bd239f8f2de85e':
  Collect annotations for JUnit3 tests.
Merge tag 'android-4.4.1_r1' into HEAD

Android 4.4.1 Release 1