Merge "battery LED: low battery behavior" am: 9ca50dba46 am: 80928ce400

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2262421

Change-Id: I17e2fb5aca0d825da7e5927492593265ed5d2e93
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>