Migrate Settings to androidx.

Test: make Settings
Bug: 76692459
Change-Id: I941dea40562170649bf056e675cc32e5163c0e39
diff --git a/res/layout/suggestion_tile.xml b/res/layout/suggestion_tile.xml
index e4c1b77..09431a8 100644
--- a/res/layout/suggestion_tile.xml
+++ b/res/layout/suggestion_tile.xml
@@ -14,7 +14,7 @@
      limitations under the License.
 -->
 
-<android.support.v7.widget.CardView
+<androidx.cardview.widget.CardView
     xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/suggestion_card"
@@ -90,4 +90,4 @@
 
     </LinearLayout>
 
-</android.support.v7.widget.CardView>
+</androidx.cardview.widget.CardView>