SystemServer: ContentObserer use local looper

Not using looper may lead to race condition and multi-threading issue.
This is an obvious design error

Bug: 288450479
Test: m service-bluetooth
Flag: Exempt, Having a flag here does not add value
Change-Id: Iea8756d5a2af90b0e8ba7ccb4371026634c12f95

parent 3d03fd40

service/src/com/android/server/bluetooth/BluetoothManagerService.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -965,7 +965,7 @@ class BluetoothManagerService {
		// Monitor change of BLE scan only mode settings.
		private void registerForBleScanModeChange() {
		ContentObserver contentObserver =
		new ContentObserver(null) {
		new ContentObserver(new Handler(mLooper)) {
		@Override
		public void onChange(boolean selfChange) {
		if (isBleScanAlwaysAvailable()) {