Support RTL layout

delete attribute (app:layout_constraintEnd_toStartOf="@+id/quote_bar") in ImageView(android:id="@+id/image_view_action_cancel_quote")

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

@@ -46,7 +46,6 @@
         android:adjustViewBounds="true"
         android:cropToPadding="true"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toStartOf="@+id/quote_bar"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         app:srcCompat="@drawable/ic_close_gray_24dp" />
@@ -65,4 +64,4 @@
         app:layout_constraintStart_toEndOf="@+id/quote_bar"
         app:layout_constraintTop_toTopOf="parent"
         tools:text="Edit message" />
-</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
+</androidx.constraintlayout.widget.ConstraintLayout>