Merge "Close BluetoothGatt when disconnected" into tm-dev am: f96fabb5 am: d864d3df

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/18601386



Change-Id: Icd018a88d075de1d75a9a39b5087bfec87bd16de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>