merge from open-source master

Change-Id: Ide06923b072534e0a21dcee54adbdbce92b71a8e
tree: 73dbc2dd43810f65bee579524f2f30f24a90fd74
  1. include/
  2. libril/
  3. reference-cdma-sms/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk