Merge "vold: Use Wakelock::tryGet()" am: 8439ab27d6

Original change: https://android-review.googlesource.com/c/platform/system/vold/+/1600813

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I4b028c047da40cbbd20c0a99d4c957d87bfcf0c2