Implement sr-should-program command

Change-Id: Ie7da6c83b1f432c5f84a13712d0a1be106733c6a
diff --git a/tools/package/runtime/bin/onos-diagnostics b/tools/package/runtime/bin/onos-diagnostics
index 9cc77e3..75f307c 100755
--- a/tools/package/runtime/bin/onos-diagnostics
+++ b/tools/package/runtime/bin/onos-diagnostics
@@ -94,6 +94,7 @@
 
     "sr-device-subnets"
     "sr-ecmp-spg"
+    "sr-should-program"
     "sr-link-state"
     "sr-mcast-next"
     "sr-mcast-tree"