kernel: Add cos_patch_trailer_check repohook check.

BUG=b/179054156
TEST=local testing
RELEASE_NOTE=None

Change-Id: I73dce2ecb790fb947d420f85e41b9c8bdc0d2007
Reviewed-on: https://cos-review.googlesource.com/c/third_party/kernel/+/11877
Reviewed-by: Dexter Rivera <riverade@google.com>
Tested-by: Vaibhav Rustagi <vaibhavrustagi@google.com>
1 file changed