8161696: [TESTBUG] runtime/StackGuardPages/testme.sh uses invalid argument -Xss328k Summary: changed argument from 328k to 1M Reviewed-by: dcubed, fparain, dholmes

^build/
^dist/
^.idea/
nbproject/private/
^webrev
^.hgtip
^.bridge2
^.jib/
.DS_Store
.metadata/
.recommenders/