Merge "Add soong config variables for selinux" into main am: 96407369

Original change: https://android-review.googlesource.com/c/platform/build/+/3027444



Change-Id: Ic5099a78c54743ac5864f95855a3ac2b24b6d3a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>