Merge "Revert "AlarmManagerService: remove legacy /dev/alarm support"" am: 6fb921a61b am: 359a4d9569 am: f11d0fe8c5
am: ff8c648dda

* commit 'ff8c648dda79ea2ee10f0fd1860d149f31583808':
  Revert "AlarmManagerService: remove legacy /dev/alarm support"

Change-Id: I7537dbde085982898899f1300a94062eb54d2ac6