Bug 1737313: Switch Angle over to the new angle-type source hosting r=jgilbert,jewilde

Depends on D129536

Differential Revision: https://phabricator.services.mozilla.com/D132591

gfx/angle/moz.yaml

@@ -21,17 +21,21 @@ origin:
   license: BSD-3-Clause
 
 updatebot:
-    maintainer-phab: jgilbert
-    maintainer-bz: jgilbert@mozilla.com
-    tasks:
-      - type: commit-alert
-        enabled: True
-        branch: chromium/4515
-        needinfo: ["jgilbert@mozilla.com"]
+  maintainer-phab: jgilbert
+  maintainer-bz: jgilbert@mozilla.com
+  tasks:
+    - type: commit-alert
+      enabled: True
+      branch: chromium/4515
+      needinfo: ["jgilbert@mozilla.com"]
 
 vendoring:
   url: https://chromium.googlesource.com/angle/angle
-  source-hosting: googlesource
+  # Technically we aren't tracking 'tags', we're tracking branches but Angle has a
+  # special setup and tag is the most analogous without needing to create a whole
+  # new thing just for it.
+  tracking: tag
+  source-hosting: angle
   vendor-directory: gfx/angle/checkout
   skip-vendoring-steps: ["fetch", "update-moz-build"]