Merge "Make low battery warning notification dismissable" into tm-dev am: 5470b037

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18512408



Change-Id: I0e0487004a670e0843b4b4277c6c1735b3a6467b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>