app/src/main/res/drawable-anydpi/back_action.xml
<vector xmlns:android="http://schemas.android.com/apk/res/android"
android:width="24dp"
android:height="24dp"
android:alpha="0.6"
android:tint="#333333"
android:viewportWidth="24"
android:viewportHeight="24">
<path
android:fillColor="@android:color/white"
android:pathData="M11.67,3.87L9.9,2.1 0,12l9.9,9.9 1.77,-1.77L3.54,12z" />
</vector>