Fix video call icon color

<?xml version="1.0" encoding="utf-8"?>

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

  <item android:color="#ff000000" android:state_checked="true"/>

  <item android:color="#ffffffff"/>

  <item android:color="?android:attr/colorBackgroundFloating" android:state_checked="true"/>

  <item android:color="?android:attr/textColorPrimary"/>

</selector>

    <item name="android:layout_height">@dimen/videocall_button_size</item>

    <item name="android:layout_width">@dimen/videocall_button_size</item>

    <item name="android:background">@drawable/videocall_video_button_background</item>

    <item name="android:tint">?android:attr/colorBackgroundFloating</item>

    <item name="android:tint">@color/videocall_button_icon_tint</item>

    <item name="android:tintMode">src_atop</item>

    <item name="android:padding">@dimen/videocall_button_padding</item>

    <item name="android:scaleType">fitCenter</item>