cupid: overlay: Add corner content padding

Change-Id: Ie4f9b253c25a9de9669fffa46121e5513e91fb32

overlay/SystemUI/res/values/dimens.xml

@@ -4,5 +4,6 @@
      SPDX-License-Identifier: Apache-2.0
 -->
 <resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <dimen name="rounded_corner_content_padding">52.0px</dimen>
     <dimen name="keyguard_indication_margin_bottom">4dp</dimen>
 </resources>