RFR: 8264672: runtime/ParallelLoad/ParallelSuperTest.java timed out

[Coleen Phillimore]

Added a flag so that thread 2 will notify thread 1 after it's waiting, and not before.
Ran 100x on macosx-x64-debug without timeout (actually ran original 100x without timeout also).
The test relies on one thread waiting at a place where another can find the class loading in progress.  Alternate suggestions welcome.
Thanks!
Coleen

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Commit messages:
 - 8264672: runtime/ParallelLoad/ParallelSuperTest.java timed out

Changes: https://git.openjdk.java.net/jdk/pull/3375/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3375&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8264672
  Stats: 7 lines in 1 file changed: 7 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3375.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3375/head:pull/3375

PR: https://git.openjdk.java.net/jdk/pull/3375