Catch SIP exceptions which can crash Phone process on answer. am: e3b4afc616 am: cc4e07669a am: 769ae5b56f am: 71a4d7e815 am: 8cd23c6653
am: f77658a010  -s ours

Change-Id: I81fc77a920fac198c1dd4da1b175c258af3e8942