pipe2browser: Change "profiles" directory to "runtime"

As per vanadium/issues#470

MultiPart: 8/10

Change-Id: I8a1093df8dc368a261b533be674f9488244a4120
diff --git a/go/src/v.io/x/p2b/main.go b/go/src/v.io/x/p2b/main.go
index 2f5edda..9a098b8 100644
--- a/go/src/v.io/x/p2b/main.go
+++ b/go/src/v.io/x/p2b/main.go
@@ -15,7 +15,7 @@
 	"v.io/v23"
 	"v.io/x/lib/vlog"
 	"v.io/x/p2b/vdl"
-	_ "v.io/x/ref/profiles/static"
+	_ "v.io/x/ref/runtime/factories/static"
 )
 
 const usage = `