am ae39671d: DO NOT MERGE - improved disable state on dialer action buttons

Merge commit 'ae39671d7c80588c96d561cdc2c39175d4e52a32' into gingerbread-plus-aosp

* commit 'ae39671d7c80588c96d561cdc2c39175d4e52a32':
  DO NOT MERGE - improved disable state on dialer action buttons