Use additional schedule types

Summary: Add 3 schedule types wardens and disabled. And add purpose and collection for those. We want to start rollout for these on iOS atleast for the executor soon.

Reviewed By: aniketmathur

Differential Revision: D55973223

fbshipit-source-id: cfa8f7f69102dd24dfaae9b2d6d7fe5b10b18b87

td_util/src/schedules.rs

@@ -52,6 +52,12 @@ pub enum ScheduleType {
     Landcastle, // Should this be just "land"?
     #[serde(rename = "postcommit")]
     Postcommit,
+    #[serde(rename = "testwarden")]
+    Testwarden,
+    #[serde(rename = "greenwarden")]
+    Greenwarden,
+    #[serde(rename = "disabled")]
+    Disabled,
 }
 
 impl ScheduleType {