Do not power off display on lockNow() on automotive builds.

Test: manual verification
Fixes: 171517112

Change-Id: I410e06b911b099c0ed4b7b4e3ac493c9a272fa6b
Merged-In: I410e06b911b099c0ed4b7b4e3ac493c9a272fa6b
(cherry picked from commit fc586009b1fc381dbbc4061f876fc52c11a79814)
2 files changed