am a0bdc5e7: am 4dd082bf: Disable dialpad chooser when the user selects "Add call".

Merge commit 'a0bdc5e7cbc92ea921b4f1e4aa2c0ac748867a01'

* commit 'a0bdc5e7cbc92ea921b4f1e4aa2c0ac748867a01':
  Disable dialpad chooser when the user selects "Add call".