goldfish-opengl: add msandy@ to OWNERS

Works on Magma.

BUG=none
TEST=compile

Change-Id: I9a3b683c86b0b39349cddd96f6e18c82bf674ce4
diff --git a/OWNERS b/OWNERS
index f2fc3cd..ec67e03 100644
--- a/OWNERS
+++ b/OWNERS
@@ -5,6 +5,7 @@
 kaiyili@google.com
 lfy@google.com
 liyl@google.com
+msandy@google.com
 natsu@google.com
 rkir@google.com
 tutankhamen@google.com