Revert "Revert "Allow pulling down the status bar in visual immersive mode""

This reverts commit e8b19dcf9de48e7e1c1803423ce174dbb0eb1af7.

Reason for revert: Resubmit this change
Bug: 188176340

Change-Id: I5ce7f5683b734f5ab959a2a20033967b352ed738
2 files changed