RFR: 8369683: Exclude runtime/Monitor/MonitorWithDeadObjectTest.java#DumpThreadsBeforeDetach on Alpine Linux debug [v2]

[Christoph Langer]

> Since the test runtime/Monitor/MonitorWithDeadObjectTest.java#DumpThreadsBeforeDetach is constantly failing for debug builds on Linux Alpine [JDK-8366133](https://bugs.openjdk.org/browse/JDK-8366133), let's exclude it there for the time being.

Christoph Langer has updated the pull request incrementally with one additional commit since the last revision:

  Remove blanks

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Changes:
  - all: https://git.openjdk.org/jdk/pull/27770/files
  - new: https://git.openjdk.org/jdk/pull/27770/files/e5916e7d..a2e1a554

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27770&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27770&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/27770.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27770/head:pull/27770

PR: https://git.openjdk.org/jdk/pull/27770