tree 6422beaffd377e4524db685d2aedcda6df8e309f
parent 093cefff35ed54faab718119252caf7c7c3a33b5
author Brad Ebinger <breadley@google.com> 1460501431 -0700
committer Brad Ebinger <breadley@google.com> 1460502007 -0700

Do not use ISipService binder if it is null

Currently, if the com.android.phone process crashes, the ISipService
binder will become null. Check the Binder before using it to prevent the
SipManager from crashing. If attempts at reconnecting to the Binder
fail, throw a SipException.

Bug: 28100417
Change-Id: I23ab582e88fdb73fee820e3e52a7afbc2395f0d0