[automerger skipped] BatteryMonitor: support battery health NOT_AVAILABLE from health status am: 5be6ec75 -s ours

am skip reason: Merged-In I0d422db20c51ef7e9dc4fa904729beda625c9fea with SHA-1 cf996f3d is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/23343940



Change-Id: I6ae38a684885982a9cca5363104184c9d5427c02
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>