tree 91cc3fca667c3f59179fc96d2818c7d276f626c7
parent adaaccdc6f9eb8d104da8f713d1ebb12d75de7a8
author Andrew Lee <anwlee@google.com> 1409073213 -0700
committer Andrew Lee <anwlee@google.com> 1409073596 -0700

Null protect maybeShowConferenceCallButton.

Bug: 17274805
Change-Id: Id25b325e9d59b63632eb55c514af409555707b9d