Update fuzzers/OWNERS: remove aizatsky@, add mmoroz@ and ochang@.

BUG=539572
R=jshin@chromium.org

Review-Url: https://codereview.chromium.org/2835993002 .
diff --git a/fuzzers/OWNERS b/fuzzers/OWNERS
index 6730694..7ab46b1 100644
--- a/fuzzers/OWNERS
+++ b/fuzzers/OWNERS
@@ -1 +1,2 @@
-aizatsky@chromium.org
+mmoroz@chromium.org
+ochang@chromium.org