There is a CTS Verifier test which explicitly says "Please disable 'Do not disturb' by tapping the Quick Settings tile."
This commit breaks this expectation.
This reverts commit d77070c2.
Change-Id: I55af2c8194307590f70b2114d6fe5273f5a74528
Ref: CYNGNOS-1979
(cherry picked from commit c667383e)