orcc: Handle x2/x4 prefix for tests
orcc: Handle x2/x4 prefix for tests

MOXfiles/orc,ahmedammar/platform_external_gst_liborc,ijsf/OpenWebRTC-orc,okuoku/nmosh-orc,ahmedammar/platform_external_gst_liborc,ijsf/OpenWebRTC-orc,MOXfiles/orc,Distrotech/orc,mojaves/orc,okuoku/nmosh-orc,jpakkane/orc,mojaves/orc,Distrotech/orc,MOXfiles/orc,mojaves/orc,jpakkane/orc,Distrotech/orc,ijsf/OpenWebRTC-orc,jpakkane/orc,okuoku/nmosh-orc