kmsagnosticbin3: Create src pads

Change-Id: If13e348d92b61791531dcc22e8e645220ec59320
kmsagnosticbin3: Connect unconfigured pending src pads

Change-Id: Ie30a4e364e576b0d5f4ecbac15b357ccb86c33dc
kmsagnosticbin3: Connect configured pending src pads

Change-Id: Ifa049f5b40e23037c5ee2d991b4e607159520e43