[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: f2bedc69 -s ours am: 23fd74ed -s ours

am skip reason: subject contains skip directive

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



Change-Id: I40c224367e3ac65a09a085ecb69479338957e717
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>