Stop deferring wake lock logging.

Turns out, deferring the work was just as expensive as doing the logging
inline, so we're effectively paying the cost twice. Doing this inline
should have a negligible impact on wakelock latency and save us a fair
amount of CPU work.

Bug: 166289189
Test: atest WakeLockLogTest
Change-Id: I43cdd8fcfa9bd0832fdbaf2d7278f3b38249e11b