Update release notes to 20.0.2+9
Update system crypto policy & FIPS patch from new fips-20u tree
Update generate_tarball.sh ICEDTEA_VERSION
Update CLDR reference data following update to 42 (Rocky Mountain-Normalzeit => Rocky-Mountain-Normalzeit)
Dropped JDK-8295447, JDK-8296239 & JDK-8299439 patches now upstream
Adapted rh1750419-redhat_alt_java.patch
Related: RHEL-45217
Remvoed many pre steps, build requires and patching. Removed build.
added dependencies on portables
extracted portabels to BUILD
keep systemtap
todo, repack it properly
removed nss setup, enabled buildr and tuned "install"
check debuginfo for jre only
Print release
repacked portables
Remove javadoc.zip only for release build
Update tarball generation script to use git following OpenJDK's move to github
Update tarball generation script to use PR3823 which handles JDK-8235710 changes
Use upstream default for version-pre rather than setting it to "ea" or ""
Drop libsunec.so which is no longer generated, thanks to JDK-8235710
Drop unnecessary compiler flags, dating back to work on GCC 6 & 10
Adapt RH1750419 alt-java patch to still apply after some variable re-naming in the makefiles
Update filever to remove any trailing zeros, as in the OpenJDK build, and use for source filename
Use system harfbuzz now this is supported.
Pass SOURCE_DATE_EPOCH to build for reproducible builds
