res/drawable/ic_lockscreen_decline_video_normal_layer.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  ~ Copyright (C) 2014 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
  -->
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- A fake circle to fix the size of this layer asset. -->
    <item>
        <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval">
            <solid android:color="#00000000"/>
            <size
                android:width="@dimen/incoming_call_widget_circle_size"
                android:height="@dimen/incoming_call_widget_circle_size" />
        </shape>
    </item>
    <item>
        <bitmap
            android:gravity="center"
            android:src="@drawable/ic_toolbar_video_off"
            android:tint="@color/glowpad_call_widget_normal_tint"
            android:autoMirrored="true" />
    </item>
</layer-list>