am 8973c8bd: am 06bae4bc: Add comments for HANGUP request.

* commit '8973c8bd091b4689f3e9967addb11c886556aba8':
  Add comments for HANGUP request.
tree: bcbfb3dab7c88523dd02c7b28f75a1b5185c099c
  1. include/
  2. libril/
  3. mock-ril/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk