Modify the LoadLibraryUnload test to call gc() more a few times, allowing multiple gc cycles to queue the expected refs. Short the timeout on each cycle to 10 sec.
------------- Commit messages: - Add bugid to LoadLibraryUnloadTest - Modify the wait loop to repeat the System.gc and count queued refs. Changes: https://git.openjdk.org/jdk/pull/10223/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=10223&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8293282 Stats: 9 lines in 2 files changed: 3 ins; 3 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/10223.diff Fetch: git fetch https://git.openjdk.org/jdk pull/10223/head:pull/10223 PR: https://git.openjdk.org/jdk/pull/10223
