Grant OWNERS for Kleaf team

This grants OWNERS permissions on this downstream 'main-kernel' branch.
Also remove the reference to other projects as they are no longer valid
for the main-kernel branch.

Bug: 291278756
Change-Id: Idee7e1e5bdf98c40bca188eb46f5aa1bf77a8ffa
Signed-off-by: Matthias Maennich <maennich@google.com>
diff --git a/OWNERS b/OWNERS
index 342990b..dc8fcff 100644
--- a/OWNERS
+++ b/OWNERS
@@ -6,8 +6,11 @@
 yikong@google.com
 zijunzhao@google.com
 
+# Kernel maintainers
+elsk@google.com
+maennich@google.com
+umendez@google.com
+
 # mailing list cannot be a reviewer yet
 # android-llvm-dev+owners-review@google.com
 
-# The owners of the build system are allowed to change the pertinent files
-per-file *.bzl,BUILD.bazel = file:platform/build/soong:/OWNERS