RFR (XS) : 8141641: Runtime: implement range for ErrorLogTimeout

[gerard ziemski]

hi all,

Please review this small fix for JEP-245, which implements range for the last new runtime flag.

     bug: https://bugs.openjdk.java.net/browse/JDK-8141641
  webrev: http://cr.openjdk.java.net/~gziemski/8141641_rev0


Thank you.