Add OWNERS/TEST_MAPPING for blob store related code.

Bug: 143559646
Test: n/a
Change-Id: I4a382315a7f9d36faddde9ab3a5e185d4b265d9a
diff --git a/apex/blobstore/OWNERS b/apex/blobstore/OWNERS
new file mode 100644
index 0000000..8e04399
--- /dev/null
+++ b/apex/blobstore/OWNERS
@@ -0,0 +1,4 @@
+set noparent
+
+sudheersai@google.com
+yamasani@google.com