Updated code owner for ADF (#17069)

Author: shawnxzq

CODEOWNERS

@@ -20,7 +20,7 @@
 /specification/containerservice/ @yangl900
 /specification/cosmos-db/ @dmakwana @MehaKaushik @wmengmsft @shurd
 /specification/customer-insights/ @tjlvtao
-/specification/datafactory/ @shawnxzq @zhangyd2015
+/specification/datafactory/ @Frey-Wang @zhangyd2015 @davidzhaoyue
 /specification/datalake-analytics/ @ro-joowan
 /specification/datalake-store/ @ro-joowan
 /specification/datamigration/ @hitenjava