RFR: CODETOOLS-7902837: jcstress should support -XX:+StressCCP

[Aleksey Shipilev]

JDK-8256535 added -XX:+StressCCP, jcstress should use it, as it already uses Stress{LCM,GCM,IGVN}.

-------------

Commit messages:
 - CODETOOLS-7902837: jcstress should support -XX:+StressCCP

Changes: https://git.openjdk.java.net/jcstress/pull/7/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jcstress&pr=7&range=00
  Issue: https://bugs.openjdk.java.net/browse/CODETOOLS-7902837
  Stats: 6 lines in 1 file changed: 6 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jcstress/pull/7.diff
  Fetch: git fetch https://git.openjdk.java.net/jcstress pull/7/head:pull/7

PR: https://git.openjdk.java.net/jcstress/pull/7