Revert "ANDROID: selinux: Android kernel compatibility with M userspace"

This reverts commit abdc6632da954178edbfc512099f5f355b47157a.

Broke the Brillo build:
https://android-build-uber.corp.google.com/builds/git_mnc-brillo-dev-linux-brilloemulator_arm64-eng/2457039/logs/build_error.log
1 file changed