BluetoothDeviceConfigListener: Don't restart when connected

Similar to airplane mode change, don't send onInitFlagsChanged to
BluetoothManagerService when A2dp or Hearing aid is connected. Instead,
check after 24 hours.

Test: FrameworksServicesTests
Test: Push bluetooth INIT_ flags
Change-Id: Ib036852aa1cf8e3ddd87af7d17d16ad1c66c820e