Add additional graphics team members as libgralloctypes owners

Change-Id: I9b202aa1f1963a44fffe4746032a502f443c36ee
diff --git a/libs/gralloc/OWNERS b/libs/gralloc/OWNERS
index 93879d8..72ff978 100644
--- a/libs/gralloc/OWNERS
+++ b/libs/gralloc/OWNERS
@@ -1 +1,4 @@
+# Graphics team
+alecmouri@google.com
 chrisforbes@google.com
+jreck@google.com
\ No newline at end of file