Rewrite alarms to use a single posix timer instance

This means we lose the ability to send the intended alarm
as context with the posix timer, but this can be handled
gracefully enough by making sure we actually have an
expired alarm at the front of the list when the timer
callback occurs.

Change-Id: I909195b5c3155075096328c529655eeb5b7d80d0
1 file changed
tree: c8c04e478cca7e00a784a7a9457588f5a3649866
  1. gki/
  2. system/
  3. Android.mk
  4. CleanSpec.mk