Add darwin lz4

version 1.9.2 pulled from Homebrew Mojave package
https://homebrew.bintray.com/bottles/lz4-1.9.2.mojave.bottle.tar.gz

Change-Id: I78dddec6911f0af21c6e4fc83cfbdd6744a4cbeb
8 files changed
tree: 97dee66bf77c2717e7f698187c54b4fa8d649c6f
  1. darwin-x86/
  2. linux-x86/