Migrate Contacts to androidx.

Test: make Contacts
Bug: 76692459
Change-Id: I6f0bc94769af201a18f7fd06e4dac78d53bec763
diff --git a/res/layout/quickcontact_collapsed_suggestion_card.xml b/res/layout/quickcontact_collapsed_suggestion_card.xml
index 64bac99..ac2ec49 100644
--- a/res/layout/quickcontact_collapsed_suggestion_card.xml
+++ b/res/layout/quickcontact_collapsed_suggestion_card.xml
@@ -13,7 +13,7 @@
      See the License for the specific language governing permissions and
      limitations under the License.
 -->
-<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:card_view="http://schemas.android.com/apk/res-auto"
     style="@style/ExpandingEntryCardStyle"
     android:layout_height="@dimen/quickcontact_collapse_view_height"
@@ -61,4 +61,4 @@
                 android:paddingBottom="@dimen/editor_round_button_padding_bottom"/>
     </LinearLayout>>
 
-</android.support.v7.widget.CardView>
\ No newline at end of file
+</androidx.cardview.widget.CardView>
\ No newline at end of file