Icon Backspace and BackspaceSolid must be auto-mirrored.

libraries/compound/src/main/res/drawable/ic_compound_backspace.xml

@@ -1,6 +1,7 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
+    android:autoMirrored="true"
     android:viewportWidth="24"
     android:viewportHeight="24">
   <group>

libraries/compound/src/main/res/drawable/ic_compound_backspace_solid.xml

@@ -1,6 +1,7 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="24dp"
     android:height="24dp"
+    android:autoMirrored="true"
     android:viewportWidth="24"
     android:viewportHeight="24">
   <path

tools/compound/addAutoMirrored.py

@@ -10,6 +10,8 @@ files = [
     "ic_compound_arrow_right.xml",
     "ic_compound_arrow_up_right.xml",
     "ic_compound_attachment.xml",
+    "ic_compound_backspace.xml",
+    "ic_compound_backspace_solid.xml",
     "ic_compound_block.xml",
     "ic_compound_chart.xml",
     "ic_compound_chat.xml",