Android platform 15.0.0 release 9
Merge cherrypicks of ['googleplex-android-review.googlesource.com/28180506'] into 24Q3-release.

Change-Id: Ia3eae8bf4e7ce2dd6db8a26138620c710b675c26
tree: b681d27c6bacdd1335edde8f8dfa4ca0723e1172
  1. filegroups/
  2. test_harness/
  3. OWNERS