libheif rebuild for new libx265

- Add missing lz4 package to EARLY_PACKAGES

- Update core_packages.txt

flatpak => 1.10.2

* Update tests

* Improve speed of cycle_test and load_test scripts

- Update jdk8 from 8u271 to 8u281
- Update jdk11 from 11.0.9 to 11.0.10
- Add jdk15 package
- Add jdk package
- Add pre-built binaries

only use libmfx for compatibility with i686

libx265: fix i686 compile, add libsoup2 for older libsoup

Add libva-utils

gpgme to 1.15.1

Add proper i686 to rav1e & libavif

new mesa and xorg binaries

ffmpeg -> 4.3.2

Update xdg_base.rb to remove symlinks

Fix mixed triple issue