setWiredDeviceConnectionState requires MODIFY_AUDIO_ROUTING

AudioService: make setWiredDeviceConnectionState enforce the
privileged MODIFY_AUDIO_ROUTING permission

Bug: 151240738
Test: verify plug/unplug headset is WAI
Change-Id: Icde5c2fdfa970baf596d00f808dca8300be8743f

media/java/android/media/AudioManager.java

@@ -4213,6 +4213,7 @@ public class AudioManager {
      * {@hide}
      */
     @UnsupportedAppUsage
+    @RequiresPermission(android.Manifest.permission.MODIFY_AUDIO_ROUTING)
     public void setWiredDeviceConnectionState(int type, int state, String address, String name) {
         final IAudioService service = getService();
         try {

services/core/java/com/android/server/audio/AudioService.java

@@ -4318,6 +4318,7 @@ public class AudioService extends IAudioService.Stub
     public void setWiredDeviceConnectionState(int type,
             @ConnectionState int state, String address, String name,
             String caller) {
+        enforceModifyAudioRoutingPermission();
         if (state != CONNECTION_STATE_CONNECTED
                 && state != CONNECTION_STATE_DISCONNECTED) {
             throw new IllegalArgumentException("Invalid state " + state);