Merge "gtbs: Fix crash when setting null uri"

        if (DBG) {

            Log.d(TAG, "setIncomingCall: callIndex=" + callIndex + " uri=" + uri);

        }

        byte[] value = new byte[uri.length() + 1];

        int uri_len = 0;

        if (uri != null) {

            uri_len = uri.length();

        }

        byte[] value = new byte[uri_len + 1];

        value[0] = (byte) (callIndex & 0xff);

        System.arraycopy(uri.getBytes(), 0, value, 1, uri.length());

        if (uri_len > 0) {

            System.arraycopy(uri.getBytes(), 0, value, 1, uri_len);

        }

        return mIncomingCallCharacteristic.setValue(value);

    }