Merge "BAS: Write CCCD to get notified battery level" into tm-d1-dev am: 9c96b737

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/19333607



Change-Id: I37d637530c697bc8979c3b60d59e4afa9323d1d4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>