Merge changes from topics 'RADIO HAL 4', 'RADIO HAL 3'

* changes:
  Service side HAL changes for RIL unsolicited responses.
  Convert ril cpp to HIDL service.
tree: 31346fa250cd257a63546a9f9f1a26de653293c7
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk