Merge "Don\'t bother with WeakHashMap for direct alarm bookkeeping" into nyc-dev
am: cd0aa9cda8

* commit 'cd0aa9cda8e57c224b473198a345fb008fe30b5a':
  Don't bother with WeakHashMap for direct alarm bookkeeping

Change-Id: I3b28a8c03cee7fe6f85540f1f679de10de09923c