Important: java-1.8.0-openjdk security update (Oracle Linux 8)

[1:1.8.0.302.b08-0]
- Update to aarch64-shenandoah-jdk8u302-b08 (EA)
- Update release notes for 8u302-b08.
- Switch to GA mode for final release.
- This tarball is embargoed until 2021-07-20 @ 1pm PT.
- Resolves: rhbz#1972395

[1:1.8.0.302.b07-0.0.ea]
- Update to aarch64-shenandoah-jdk8u302-b07 (EA)
- Update release notes for 8u302-b07.
- Switch to EA mode.
- Cleanup architecture handling
- Fixed not-including fastdebug build in case of --without fastdebug
- Re-order source files to sync with Fedora.
- Introduced nm based check to verify alt-java on x86_64 is patched, and no other alt-java or java is patched
- Patch600, rh1750419-redhat_alt_java.patch, amended to die, if it is used wrongly
- Introduced ssbd_arches with currently only valid arch of x86_64 to separate real alt-java architectures
- Use the 'reverse' build loop (debug first) as the main and only build loop to get more diagnostics.
- Remove restriction on disabling product build, as debug packages no longer have javadoc packages.
- Fix name of javadoc debug packages in Obsoletes declarations and add version where it was removed.
- Resolves: rhbz#1972395

[1:1.8.0.302.b07-0.0.ea]
- Add a test verifying system crypto policies can be disabled
- Resolves: rhbz#1972395