Tweak UI of CardPreference and ContextualCard

- CardPreference uses settingslib_preference
  layout to fix title/summary alignment issue.

- Remove stroke for CardPreference and ContextualCard.

- Set colorSurface as default card background color.

Bug: 188599776
Test: manual visual
Change-Id: Id0ee40be60de1f7605849490ee43eae4b9420abb

res/layout/card_preference_layout.xml

@@ -29,6 +29,6 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginStart="-8dp"
-            layout="@layout/preference_material" />
+            layout="@layout/settingslib_preference" />
     </com.google.android.material.card.MaterialCardView>
 </FrameLayout>