Camera: Do not signal AutoConditionLock if acquisition times out

It's possible for AutoConditionLock to time out in waitAndAcquire
while waiting for the condition. In this case, we don't want to
reset the state because others may be holding the condition without
lock.

Bug: 28295136
Change-Id: Ife90232daef8fd0d31acf9e52cfbcf542987e3fa