MS-VT: Fix camera reconfiguration

-Reconfigure camera after PARAM_READY only if negotiated values
 are different from existing camera settings

Change-Id: Ieea1cc8113eb52f8c3a5624b6d35081c12c18bbe
CRs-Fixed: 542241
Update CallCard when Multiparty state change

The Callcard gets updated only when there is
a change in the call id.

Update InCall Callcard UI if there is change
in the multiparty state of existing calls.

Change-Id: I9748138862c5bb0654dccb7bd231dcc72d61e639
CRs-Fixed: 593087