Merge "BatteryService: expose capacity level API" into main am: 88184c4724 am: 7f8694532f

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/3164137

Change-Id: I88535f45ec5ff77e9c87d90db55f44ee2bc9d447
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>