N-MR1 upgrade back merge to dev branch

Change-Id: I73dd6f078af78d1cd1d96209fffa8b76ae273059
tree: 05e7e874d0a7cccb94e1bba22a43039cb554e422
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk