[automerger skipped] DO NOT MERGE: ActivityManager#killBackgroundProcesses can kill caller's own app only am: 285cecdd33 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/cts/+/20322521

Change-Id: I3ea05b2e6c163e41693d18523be3b3fe72ad77a2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>