Skip resuming activities on sleeping display

Bubble activity was resumed while the ActivityView was hidden after
device unlocked.

Also reduce always resuming activities from RWC since already looping
through all displays when applying sleep tokens.

Bug: 160338354
Test: atest RootActivityContainerTests
Change-Id: I7f08e09fb9273a3ae7855728ed6f4eb1b7fdb206
Merged-in: I7f08e09fb9273a3ae7855728ed6f4eb1b7fdb206