analyze pkg/nnbd_migration on the bots

Change-Id: I8141ce45531bf5d59d5633400746ffe8af44cbf1
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/210162
Reviewed-by: Paul Berry <paulberry@google.com>
Commit-Queue: Devon Carew <devoncarew@google.com>

pkg/nnbd_migration/lib/src/edge_origin.dart

@@ -71,7 +71,7 @@ class AngularAnnotationOrigin extends EdgeOrigin {
 
   @override
   String get description =>
-      "annotated with an Angular annotation indicating nullability";
+      'annotated with an Angular annotation indicating nullability';
 
   @override
   EdgeOriginKind get kind => EdgeOriginKind.angularAnnotation;

tools/bots/test_matrix.json

@@ -3340,6 +3340,15 @@
             "pkg/native_stack_traces"
           ]
         },
+        {
+          "name": "analyze pkg/nnbd_migration",
+          "script": "out/ReleaseX64/dart-sdk/bin/dart",
+          "arguments": [
+            "analyze",
+            "--fatal-infos",
+            "pkg/nnbd_migration"
+          ]
+        },
         {
           "name": "analyze pkg/smith",
           "script": "out/ReleaseX64/dart-sdk/bin/dart",