build rule change for VTS (vendor test suite)'s metadata files

Change-Id: I76b81529a97b672e08632703d2f6a2777ee8811e
diff --git a/envsetup.sh b/envsetup.sh
index 8153224..35df2d5 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -1132,7 +1132,7 @@
     Darwin)
         function sgrep()
         {
-            find -E . -name .repo -prune -o -name .git -prune -o  -type f -iregex '.*\.(c|h|cc|cpp|S|java|xml|sh|mk|aidl)' \
+            find -E . -name .repo -prune -o -name .git -prune -o  -type f -iregex '.*\.(c|h|cc|cpp|S|java|xml|sh|mk|aidl|vts)' \
                 -exec grep --color -n "$@" {} +
         }
 
@@ -1140,7 +1140,7 @@
     *)
         function sgrep()
         {
-            find . -name .repo -prune -o -name .git -prune -o  -type f -iregex '.*\.\(c\|h\|cc\|cpp\|S\|java\|xml\|sh\|mk\|aidl\)' \
+            find . -name .repo -prune -o -name .git -prune -o  -type f -iregex '.*\.\(c\|h\|cc\|cpp\|S\|java\|xml\|sh\|mk\|aidl\|vts\)' \
                 -exec grep --color -n "$@" {} +
         }
         ;;