RFR: Merge jdk8u:master

[Andrew John Hughes]

Merge jdk8u402-b01

GHA builds will not work until [JDK-8293107](https://bugs.openjdk.org/browse/JDK-8293107) is merged in 8u462-b01

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

Commit messages:
 - Merge jdk8u402-b01
 - Merge
 - 8312535: MidiSystem.getSoundbank() throws unexpected SecurityException
 - 8285696: AlgorithmConstraints:permits not throwing IllegalArgumentException when 'alg'  is null
 - 8285398: Cache the results of constraint checks
 - 8311813: C1: Uninitialized PhiResolver::_loop field
 - 8207404: MulticastSocket tests failing on AIX
 - 8242330: Arrays should be cloned in several JAAS Callback classes
 - 8307837: [8u] Check step in GHA should also print errors
 - 8305815: Update Libpng to 1.6.39
 - ... and 15 more: https://git.openjdk.org/shenandoah-jdk8u/compare/f8d92529...1752464f

The webrevs contain the adjustments done while merging with regards to each parent branch:
 - master: https://webrevs.openjdk.org/?repo=shenandoah-jdk8u&pr=60&range=00.0
 - jdk8u:master: https://webrevs.openjdk.org/?repo=shenandoah-jdk8u&pr=60&range=00.1

Changes: https://git.openjdk.org/shenandoah-jdk8u/pull/60/files
  Stats: 1218 lines in 26 files changed: 528 ins; 232 del; 458 mod
  Patch: https://git.openjdk.org/shenandoah-jdk8u/pull/60.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk8u.git pull/60/head:pull/60

PR: https://git.openjdk.org/shenandoah-jdk8u/pull/60