The "${arg,,}" syntax works well on dev and Jenkins OSX machines but does not work correctly on VSO build machines [likely a lower version of bash on VSO machines]. Therefore, using 'awk' to transforming to lower case. (#8497)

run-build.sh

@@ -130,7 +130,8 @@ done
 argsnotargets=( )
 for arg in ${args[@]} 
 do  
-  if [[ ${arg,,} != '/t:'* ]] && [[ ${arg,,} != '/target:'* ]]; then
+  arglower="$(echo $arg | awk '{print tolower($0)}')"
+  if [[ $arglower != '/t:'* ]] && [[ $arglower != '/target:'* ]]; then
     argsnotargets+=($arg)
   fi
 done