RFR: 8313256: Exclude failing multicast tests on AIX [v3]

[Thomas Obermeier]

> exclude multicast and related tests on AIX mentioned in https://bugs.openjdk.org/browse/JDK-8308807 until this is fixed.

Thomas Obermeier has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains six additional commits since the last revision:

 - Merge branch 'openjdk:master' into patch-1
 - Update ProblemList.txt: exclude DatagramChannel/AfterDisconnect for 8308807 aix-ppc64
 - Update ProblemList.txt AcceptInheritHandle erroneously added to 8308807
 - Merge branch 'master' into patch-1
 - Update ProblemList.txt exclude MulticastSocket tests for AIX
 - Update ProblemList.txt exclude java/foreign/TestByteBuffer

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/15074/files
  - new: https://git.openjdk.org/jdk/pull/15074/files/0fe3eaec..b322c25c

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15074&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15074&range=01-02

  Stats: 5735 lines in 166 files changed: 2564 ins; 1652 del; 1519 mod
  Patch: https://git.openjdk.org/jdk/pull/15074.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15074/head:pull/15074

PR: https://git.openjdk.org/jdk/pull/15074