java-1.8.0-openjdk security update

[1:1.8.0.392.b08-2]

• Revert jcmd move as jcmd will not operate without tools.jar
• Related: RHEL-13577
  [1:1.8.0.392.b08-1]
• Update to shenandoah-jdk8u392-b08 (GA)
• Update release notes for shenandoah-8u392-b08.
• Update generate_tarball.sh to be closer to upstream vanilla script inc. no more ECC removal
• Update bug URL for RHEL to point to the Red Hat customer portal
• Change top_level_dir_name to use the VCS tag, matching new upstream release style tarball
• Regenerate PR2462 patch following JDK-8315135
• Add backport of JDK-8312489 heading upstream for 8u402 (see OPENJDK-2095)
• Add missing JFR alternative ghost
• Move jcmd to the headless package
• This tarball is embargoed until 2023-10-17 @ 1pm PT.
• Resolves: RHEL-12212
• Resolves: RHEL-13574
• Resolves: RHEL-13575
• Resolves: RHEL-13576
• Resolves: RHEL-11319
• Resolves: RHEL-13577
  [1:1.8.0.392.b08-1]
• For non debug subpackages, ghosted all alternatives (rhbz1649776)
• For non system JDKs, if-outed versionless provides.
• Aligned versions to be %{epoch}:%{version}-%{release} instead of chaotic
• Related: RHEL-11319