am d8f3d167: Add a new phone state ANSWERING.

Merge commit 'd8f3d167353f6c6f6c5cb7a4c8e941c03b8e9511' into gingerbread-plus-aosp

* commit 'd8f3d167353f6c6f6c5cb7a4c8e941c03b8e9511':
  Add a new phone state ANSWERING.