app/src/main/res/drawable-anydpi/left_arrow_action.xml
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:viewportWidth="24"
android:viewportHeight="24"
android:tint="#333333"
android:alpha="0.6">
<path
android:fillColor="@android:color/white"
android:pathData="M15.41,16.59L10.83,12l4.58,-4.59L14,6l-6,6 6,6 1.41,-1.41z"/>
</vector>