Update RTT icon on ringing screen.

<!--

  ~ Copyright (C) 2018 The Android Open Source Project

  ~

  ~ Licensed under the Apache License, Version 2.0 (the "License");

  ~ you may not use this file except in compliance with the License.

  ~ You may obtain a copy of the License at

  ~

  ~      http://www.apache.org/licenses/LICENSE-2.0

  ~

  ~ Unless required by applicable law or agreed to in writing, software

  ~ distributed under the License is distributed on an "AS IS" BASIS,

  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  ~ See the License for the specific language governing permissions and

  ~ limitations under the License

  -->

<vector xmlns:android="http://schemas.android.com/apk/res/android"

    android:width="24dp"

    android:height="24dp"

    android:viewportWidth="24.0"

    android:viewportHeight="24.0"

    android:tint="?attr/colorControlNormal">

  <path

      android:fillColor="@android:color/white"

      android:pathData="M9.03,3l-1.11,7.07h2.62l0.7,-4.5h2.58L11.8,18.43L9.47,18.43L9.06,21h7.27l0.4,-2.57h-2.35l2,-12.86h2.58l-0.71,4.5h2.65L22,3L9.03,3zM8,5L4,5l-0.31,2h4L8,5zM7.39,9h-4l-0.31,2h4l0.31,-2zM8.31,17h-6L2,19h6l0.31,-2zM8.93,13h-6l-0.31,2h6.01l0.3,-2z"/>

</vector>

 No newline at end of file

    if (getParent().isVideoCall() || getParent().isVideoUpgradeRequest()) {

      contactPuckIcon.setImageResource(R.drawable.quantum_ic_videocam_white_24);

    } else if (getParent().isRttCall()) {

      contactPuckIcon.setImageResource(R.drawable.quantum_ic_call_white_24);

      contactPuckIcon.setImageResource(R.drawable.quantum_ic_rtt_vd_theme_24);

    } else {

      contactPuckIcon.setImageResource(R.drawable.quantum_ic_call_white_24);

    }