consistencychecker: Check for STREAM_START event
consistencychecker: Check for STREAM_START event

Check that it is always before any serialized event.

Lachann/gstreamer,cablelabs/gstreamer,mparis/gstreamer,jpxiong/gstreamer,StreamUtils/gstreamer,lovebug356/gstreamer,lovebug356/gstreamer,cfoch/gstreamer,mparis/gstreamer,jpxiong/gstreamer,collects/gstreamer,cablelabs/gstreamer,krieger-od/gstreamer,cfoch/gstreamer,krieger-od/gstreamer,lovebug356/gstreamer,StreamUtils/gstreamer,jpakkane/gstreamer,cfoch/gstreamer,ensonic/gstreamer,shelsonjava/gstreamer,Lachann/gstreamer,ensonic/gstreamer,shelsonjava/gstreamer,jpakkane/gstreamer,jpakkane/gstreamer,lubosz/gstreamer,justinjoy/gstreamer,justinjoy/gstreamer,lubosz/gstreamer,krieger-od/gstreamer,StreamUtils/gstreamer,StreamUtils/gstreamer,cfoch/gstreamer,krichter722/gstreamer,jpxiong/gstreamer,jpxiong/gstreamer,krichter722/gstreamer,lubosz/gstreamer,ensonic/gstreamer,justinjoy/gstreamer,jpxiong/gstreamer,krieger-od/gstreamer,collects/gstreamer,StreamUtils/gstreamer,cfoch/gstreamer,krieger-od/gstreamer,Lachann/gstreamer,lovebug356/gstreamer,surround-io/gstreamer,shelsonjava/gstreamer,krichter722/gstreamer,mparis/gstreamer,Lachann/gstreamer,lubosz/gstreamer,centricular/gstreamer,cablelabs/gstreamer,surround-io/gstreamer,shelsonjava/gstreamer,centricular/gstreamer,jpakkane/gstreamer,surround-io/gstreamer,surround-io/gstreamer,centricular/gstreamer,collects/gstreamer,surround-io/gstreamer,ensonic/gstreamer,ensonic/gstreamer,cablelabs/gstreamer,cablelabs/gstreamer,lubosz/gstreamer,lovebug356/gstreamer,collects/gstreamer,krichter722/gstreamer,krichter722/gstreamer,jpakkane/gstreamer,mparis/gstreamer,shelsonjava/gstreamer,collects/gstreamer,centricular/gstreamer,centricular/gstreamer,Lachann/gstreamer,justinjoy/gstreamer,justinjoy/gstreamer,mparis/gstreamer