CallCardPresenter should listen for Call Waiting

Regression from recent change to only update UI with incoming calls
using the onIncomingCall callback.  The CallCardPresenter wasn't
listening for that specific change so call-waiting calls were not
displaying "incoming call" label.

Change-Id: I6a732585509c1e27e7ecf5805cb17ea8e7f043ed
2 files changed
tree: be065425fd7d1e780be8f5bb797db05073e96a0f
  1. InCallUI/