Define OWNERS for CertBlocklister

Bug: 340363351
Test: presubmit
Change-Id: Ife06ed4f2ae8896b3282e97f8aef6a6f4c96bcce
diff --git a/services/core/java/com/android/server/OWNERS b/services/core/java/com/android/server/OWNERS
index 2545620..a627a39 100644
--- a/services/core/java/com/android/server/OWNERS
+++ b/services/core/java/com/android/server/OWNERS
@@ -48,3 +48,6 @@
 
 # SystemConfig
 per-file SystemConfig.java = file:/PACKAGE_MANAGER_OWNERS
+
+# CertBlocklister
+per-file Cert*.java = tweek@google.com, brambonne@google.com, prb@google.com, miguelaranda@google.com