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

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

Change-Id: Id2c529d2d89bac9e002d19a9b96975ed45ed893f