Add bug number to stopship comment for VCN Network scores

Test: atest FrameworksVcnTests
Change-Id: I7a637d39e7be2d59e53a1e3bd801c19b9163661d

services/core/java/com/android/server/vcn/Vcn.java

@@ -87,7 +87,8 @@ public class Vcn extends Handler {
 
     /** Retrieves the network score for a VCN Network */
     private int getNetworkScore() {
-        // TODO: STOPSHIP: Make this use new NetworkSelection, or some magic "max in subGrp" value
+        // TODO: STOPSHIP (b/173549607): Make this use new NetworkSelection, or some magic "max in
+        //                               subGrp" value
         return 52;
     }