No need for Image assets (.png) as Vector assets (.xml) work with AppCompat views

app/src/main/res/drawable/ic_arrow_upward_24.xml

@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24"
+    android:tint="?attr/colorControlNormal">
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M4,12l1.41,1.41L11,7.83V20h2V7.83l5.58,5.59L20,12l-8,-8 -8,8z"/>
+</vector>

app/src/main/res/layout/layout_directory_chooser.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
@@ -69,7 +70,7 @@
             android:contentDescription="@string/nav_up"
             android:padding="8dp"
             android:scaleType="fitCenter"
-            android:src="@drawable/nav_up" />
+            app:srcCompat="@drawable/ic_arrow_upward_24" />
 
         <TextView
             android:id="@+id/txtvSelectedFolderLabel"