This is a follow up update per comments in [JDK-8287384 PR](https://github.com/openjdk/jdk/pull/8907). The tier1 and tier2 test in open part looks good to me. Please help to run Mach5 just case the closed test cases are impacted.
------------- Commit messages: - Remove trailing white space - 8287596: Reorg jdk.test.lib.util.ForceGC Changes: https://git.openjdk.java.net/jdk/pull/8979/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=8979&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8287596 Stats: 83 lines in 10 files changed: 12 ins; 40 del; 31 mod Patch: https://git.openjdk.java.net/jdk/pull/8979.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/8979/head:pull/8979 PR: https://git.openjdk.java.net/jdk/pull/8979
