Analyze pkg/dart2js_tools on the bots.

Change-Id: I727012f8584a4d92d5333da303147a1c947d4fb6
Reviewed-on: https://dart-review.googlesource.com/69247
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Commit-Queue: Devon Carew <devoncarew@google.com>
diff --git a/tools/bots/test_matrix.json b/tools/bots/test_matrix.json
index 2cb801c..4174ff1 100644
--- a/tools/bots/test_matrix.json
+++ b/tools/bots/test_matrix.json
@@ -2051,6 +2051,11 @@
           "arguments": ["--fatal-warnings", "pkg/compiler"]
         },
         {
+          "name": "analyze pkg/dart2js_tools",
+          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
+          "arguments": ["--fatal-warnings", "pkg/dart2js_tools"]
+        },
+        {
           "name": "analyze pkg/dart_internal",
           "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
           "arguments": ["--fatal-warnings", "pkg/dart_internal"]