Bug 1900618 - Add an automation test condition to mozinfo. r=jmaher,taskgraph-reviewers

Differential Revision: https://phabricator.services.mozilla.com/D212602

python/mozbuild/mozbuild/mozinfo.py

@@ -100,6 +100,7 @@ def build_dict(config, env=os.environ):
     d["isolated_process"] = (
         substs.get("MOZ_ANDROID_CONTENT_SERVICE_ISOLATED_PROCESS") == "1"
     )
+    d["automation"] = substs.get("MOZ_AUTOMATION") == "1"
 
     def guess_platform():
         if d["buildapp"] == "browser":

taskcluster/gecko_taskgraph/util/chunking.py

@@ -136,6 +136,8 @@ def guess_mozinfo_from_task(task, repo=""):
             info[tag] = True
         else:
             info[tag] = False
+
+    info["automation"] = True
     return info