Hide non system overlays in ContactSelectionActivity am: ea3e6cdd am: 7756e1ec am: 6d280744 am: e6a5b9fd

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Contacts/+/14342152

Change-Id: Ib45a80d41835e2d5d5a974d19ed702815d31aea6