[automerger skipped] DO NOT MERGE: Fix ActivityManager#killBackgroundProcesses...

[automerger skipped] DO NOT MERGE: Fix ActivityManager#killBackgroundProcesses permissions am: 9a142670 -s ours am: c2318438 -s ours am: 73320f11 -s ours am: 9e9450ec -s ours am: aa996608 -s ours am: 8358b4bd -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/25124582



Change-Id: I0587e70c47662eabac09a4a80be3af284911a358
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>