Hide non system overlays in ContactSelectionActivity am: ea3e6cdd41 am: 7756e1eceb am: 6d280744f5 am: e6a5b9fdcd

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

Change-Id: I2f752daf5cb8f4b06dcb63bc8226b92ccfd38970