DrmManagerClient: query drm service without blocking

Bug: 194889768
Bug: 195732578
Test: atest DRMTest#testForwardLockAccess
Change-Id: If0165fe89ba69659d9e451c0cf0cc28ca2c70616
(cherry picked from commit 5450ceb552822d270c1eb653973e5595f5183ad6)
1 file changed