Revert "Use track-widget-creation transformer included in the sdk. (flutter#9085)" (flutter#9134)

This reverts commit 651c904.

With this change applied, test/widgets/widget_inspector_test.dart is failing
when run by the dev/bots/test.dart script in the framework tree.

Author: jason-simmons

ci/analyze.sh

@@ -32,6 +32,20 @@ if [ -n "$RESULTS" ]; then
   exit 1;
 fi
 
+echo "Analyzing flutter_kernel_transformers..."
+RESULTS=`dartanalyzer                                                          \
+  --packages=flutter/flutter_kernel_transformers/.packages                     \
+  --options flutter/analysis_options.yaml                                      \
+  flutter/flutter_kernel_transformers                                          \
+  2>&1                                                                         \
+  | grep -Ev "No issues found!"                                                \
+  | grep -Ev "Analyzing.+flutter_kernel_transformers"`
+echo "$RESULTS"
+if [ -n "$RESULTS" ]; then
+  echo "Failed."
+  exit 1;
+fi
+
 echo "Analyzing tools/licenses..."
 (cd flutter/tools/licenses && pub get)
 RESULTS=`dartanalyzer                                                          \

ci/licenses_golden/licenses_flutter

@@ -88,6 +88,7 @@ FILE: ../../../flutter/flow/texture.cc
 FILE: ../../../flutter/flow/texture.h
 FILE: ../../../flutter/flow/view_holder.cc
 FILE: ../../../flutter/flow/view_holder.h
+FILE: ../../../flutter/flutter_kernel_transformers/lib/track_widget_constructor_locations.dart
 FILE: ../../../flutter/fml/base32.cc
 FILE: ../../../flutter/fml/base32.h
 FILE: ../../../flutter/fml/base32_unittest.cc

flutter_kernel_transformers/BUILD.gn

@@ -0,0 +1,23 @@
+# Copyright 2013 The Flutter Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+assert(is_fuchsia || is_fuchsia_host)
+
+import("//build/dart/dart_library.gni")
+
+dart_library("flutter_kernel_transformers") {
+  disable_analysis = true
+  package_name = "flutter_kernel_transformers"
+
+  sources = [
+    "track_widget_constructor_locations.dart",
+  ]
+
+  deps = [
+    "//third_party/dart-pkg/pub/meta",
+    "//third_party/dart/pkg/front_end",
+    "//third_party/dart/pkg/kernel",
+    "//third_party/dart/pkg/vm",
+  ]
+}