tree 2ead7738dcaef3c1c3b5b595783a2fa8494c1dcc
parent 5860c83785fca830ddc5b3923c91639e46c7b31b
author Santos Cordon <santoscordon@google.com> 1410396598 -0700
committer The Android Automerger <android-build@google.com> 1410559270 -0700

Implement the short-burst DTMF tones for CDMA calls.

Changes:
- Add code to respect "burst" mode dtmf
  - includes adding code to read when radio has completed the dtmf tone
    and adding a queue of incoming dtmf presses while a dtmf tone is in
    progress.
- Add a config overlay for mcc311/mnc480 to enable the setting in
  dialer.

Bug: 17431108
Change-Id: Icf1ec86ab54783e04b37104f6f3c327b959c4c0b