[jdk11u-dev] RFR: 8313081: MonitoringSupport_lock should be unconditionally initialized after 8304074 [v3]

[Paul Hohensee]

> Follow-on bug fix for [JDK-8304074](https://bugs.openjdk.org/browse/JDK-8304074) backport. Clean backport from 17u, see https://github.com/openjdk/jdk17u-dev/pull/1981. The lock definition macro changed between 17 and 21, so the definition of MonitoringSupport_lock is different.

Paul Hohensee has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 14 commits:

 - Merge branch 'backport-8304074' into backport-8313081
 - Merge branch 'master' into backport-8304074
 - 8304074: Switch to @since 11.0.23
 - Merge branch 'backport-8304074' into backport-8313081
 - 8304074: Update getTotalThreadAllocatedBytes @since to 11.0.22
 - Merge branch 'master' into backport-8304074
 - Merge branch 'backport-8304074' into backport-8313081
 - Merge branch 'master' into backport-8304074
 - Merge branch 'backport-8304074' into backport-8313081
 - Merge branch 'master' into backport-8304074
 - ... and 4 more: https://git.openjdk.org/jdk11u-dev/compare/31064b1c...b47022d9

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Changes: https://git.openjdk.org/jdk11u-dev/pull/2287/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2287&range=02
  Stats: 17 lines in 3 files changed: 12 ins; 2 del; 3 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2287.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2287/head:pull/2287

PR: https://git.openjdk.org/jdk11u-dev/pull/2287