Merge "Create memory safe overload of BluetoothGattServer#notifyCharacteristicChanged" am: f33e7ff081 am: 87147e2710 am: 9b9b3b9924

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1894087

Change-Id: Iee261128473015d4dec91b85d0b44ecb934f849d