Revert "Nullability Annotations replacement"

This reverts commit cf0501e4d7.

Reason for revert: b/317462033, it seems a flaky but revert it first.

Change-Id: Ie1d5e279cca6477fc17d8c27c1ecda8d7a6b2553

src/com/android/settings/connecteddevice/audiosharing/AudioSharingDeviceVolumeGroupController.java

@@ -286,7 +286,7 @@ public class AudioSharingDeviceVolumeGroupController extends AudioSharingBasePre
 
             @Override
             public void onDeviceVolumeChanged(
-                    @NonNull BluetoothDevice device,
+                    @android.annotation.NonNull BluetoothDevice device,
                     @IntRange(from = -255, to = 255) int volume) {
                 CachedBluetoothDevice cachedDevice =
                         mLocalBtManager.getCachedDeviceManager().findDevice(device);