Fixing publishing catalog to ignore unsolicited DEBUG output.

Change-Id: I166103280f65dd124430209344ac1e785ec503c9
diff --git a/tools/build/onos-publish-catalog b/tools/build/onos-publish-catalog
index f434a75..ed2970f 100755
--- a/tools/build/onos-publish-catalog
+++ b/tools/build/onos-publish-catalog
@@ -14,7 +14,7 @@
 
 function writeCatalog {
     bazel build $* --aspects tools/build/bazel/publish_catalog.bzl%publish_catalog 2>&1 \
-        | egrep "^DEBUG: " | cut -d\  -f3- >> $CATALOG
+        | egrep "^DEBUG: .*/publish_catalog.bzl:" | cut -d\  -f3- >> $CATALOG
 }
 
 function jars {