Update OWNERS file for blobstore related code.

Test: n/a
Flag: EXEMPT only changing OWNERS
Change-Id: I5bbbb3fc9b84f0b7dbb5d9e5b27d1fe7e92d289e
diff --git a/apex/blobstore/OWNERS b/apex/blobstore/OWNERS
index a53bbea..676cbc7 100644
--- a/apex/blobstore/OWNERS
+++ b/apex/blobstore/OWNERS
@@ -1,2 +1,5 @@
+# Bug component: 25692
+set noparent
+
 sudheersai@google.com
-yamasani@google.com
+yamasani@google.com #{LAST_RESORT_SUGGESTION}