8261482: Adjust jmap -histo to accept noparallel option to inspect heap serially
------------- Commit messages: - 8261482: Adjust jmap -histo to accept noparallel option to inspect heap serially Changes: https://git.openjdk.java.net/jdk/pull/2519/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=2519&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8261482 Stats: 50 lines in 4 files changed: 7 ins; 22 del; 21 mod Patch: https://git.openjdk.java.net/jdk/pull/2519.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/2519/head:pull/2519 PR: https://git.openjdk.java.net/jdk/pull/2519
