am 5d621da5: Add UNSOL_CALL_RINGBACK_TONE to ril.

Merge commit '5d621da539abea83309d77317ede40126f47d5f0' into eclair-plus-aosp

* commit '5d621da539abea83309d77317ede40126f47d5f0':
  Add UNSOL_CALL_RINGBACK_TONE to ril.
tree: c2b00eb7d4ede8b072b474a569359580f909492b
  1. include/
  2. libril/
  3. reference-cdma-sms/
  4. reference-ril/
  5. rild/