BluetoothManagerService: Enforce DUMP permission

Bug: 18667272
Change-Id: If9a510aa7b5f22b9df1d8b33f0a18183040a8cf6

services/core/java/com/android/server/BluetoothManagerService.java

@@ -1521,6 +1521,8 @@ class BluetoothManagerService extends IBluetoothManager.Stub {
 
     @Override
     public void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
+        mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG);
+
         writer.println("enabled: " + mEnable);
         writer.println("state: " + mState);
         writer.println("address: " + mAddress);