Add some additional owners.

Because CLs can't currently be merged and the original list was
too restrictive.

Test: pass
Change-Id: Ic9616536c47edf16c2c10061af1d396f1978c739
diff --git a/OWNERS b/OWNERS
index 12e0d27..8d33584 100644
--- a/OWNERS
+++ b/OWNERS
@@ -1,3 +1,5 @@
 eisenbach@google.com
 jpawlowski@google.com
 swillden@google.com
+malchev@google.com
+smoreland@google.com