Revert "Revert "hammerhead: Update IPC router security configuration""

This reverts commit 72d7ec49e29584e8056c0f3863047ac689500451.
Enable Ambient Display

This will make Ambient Display to appears on Settings and works on hammerhead.

Change-Id: I58a511b3bd0d6a5041240c22af5466f59211461c