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: Ieb9cd4ff20212c25afc90843ae3bd04123fc4c00
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>