Sync the copy of the portable specfile with the latest update
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
Bump version of bundled libpng to 1.6.39
Add backport of JDK-8312489 heading upstream for 8u402 (see OPENJDK-2095)
Move jcmd to the headless package
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
** This tarball is embargoed until 2023-10-17 @ 1pm PT. **
Resolves: RHEL-12211
Resolves: RHEL-13595
Resolves: RHEL-13623
Resolves: RHEL-13630
Resolves: RHEL-11316
Resolves: RHEL-13607
Resolves: RHEL-2379
