Add missing "try ... finally" safeguards

Safeguards for code protected by ReentrantReadWriteLock.

Bug: 28734075
Bug: 28799467
Change-Id: Ib7f598a92e8df6bd855ca48cdd094c1c73a935f2
2 files changed
tree: 31efee78867471ba2b01776b4098c6545f50e51b
  1. framework/
  2. service/