SEPolicy changes to allow kcov access in userdebug.

This includes the SELinux policy changes to allow for
kcov access in userdebug builds for coverage-guided
kernel fuzzing.

Bug: 117990869

Test: Ran syzkaller with Android untrusted_app sandbox with coverage.
Change-Id: I1fcaad447c7cdc2a3360383b5dcd76e8a0f93f09
5 files changed