Hide incoming video until call is connected.

Changing the VideoCallPresenter so that the incoming video surface is
hidden until the call becomes active.  This way the remote party's profile
picture is shown until the call is connected.

Bug: 19820114
Bug: 20153678
Change-Id: Ifb1eeab2dc92ccd54c070248bd4efb44a113fed3
1 file changed
tree: fc2798075081310349cf7b3aa14ef5e040767c1d
  1. InCallUI/