Merge changes from topic 'system-vendor-internal-pick'

* changes:
  libril: include what you use
  Move libril to the vendor partition.
tree: 3b33ceadafdfb9c0d735db743c86aa427d8bc089
  1. include/
  2. libril/
  3. librilutils/
  4. reference-ril/
  5. rild/
  6. CleanSpec.mk