Merge "Fix NPE crash when mPhone is null" into lmp-dev

    private final Handler mHandler = new Handler(Looper.getMainLooper()) {

        @Override

        public void handleMessage(Message msg) {

            if (mPhone == null && msg.what != MSG_SET_IN_CALL_ADAPTER) {

                return;

            }

            switch (msg.what) {

                case MSG_SET_IN_CALL_ADAPTER:

                    mPhone = new Phone(new InCallAdapter((IInCallAdapter) msg.obj));