[gardening] update Flutter engine patch file

Change-Id: Iba80d75ba342a3e97f35ffea3b394f97e8b86efe
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/97080
Auto-Submit: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
Commit-Queue: Martin Kustermann <kustermann@google.com>
diff --git a/tools/patches/flutter-engine/674fd0e060a33deeedbc2f8fae7c32c7e3f0d8d5.patch b/tools/patches/flutter-engine/674fd0e060a33deeedbc2f8fae7c32c7e3f0d8d5.patch
deleted file mode 100644
index 7ae31dc..0000000
--- a/tools/patches/flutter-engine/674fd0e060a33deeedbc2f8fae7c32c7e3f0d8d5.patch
+++ /dev/null
@@ -1,22 +0,0 @@
-diff --git a/frontend_server/lib/server.dart b/frontend_server/lib/server.dart
-index 5d84d2dcf..2e3bce6e1 100644
---- a/frontend_server/lib/server.dart
-+++ b/frontend_server/lib/server.dart
-@@ -27,13 +27,13 @@ class _FlutterFrontendCompiler implements frontend.CompilerInterface{
-           unsafePackageSerialization: unsafePackageSerialization);
- 
-   @override
--  Future<bool> compile(String filename, ArgResults options, {IncrementalCompiler generator}) async {
--    return _compiler.compile(filename, options, generator: generator);
-+  Future<bool> compile(String entryPoint, ArgResults options, {IncrementalCompiler generator}) async {
-+    return _compiler.compile(entryPoint, options, generator: generator);
-   }
- 
-   @override
--  Future<Null> recompileDelta({String filename}) async {
--    return _compiler.recompileDelta(filename: filename);
-+  Future<Null> recompileDelta({String entryPoint}) async {
-+    return _compiler.recompileDelta(entryPoint: entryPoint);
-   }
- 
-   @override
diff --git a/tools/patches/flutter-engine/7418238239f885ba92093c44a1768f8ec93b121f.patch b/tools/patches/flutter-engine/7418238239f885ba92093c44a1768f8ec93b121f.patch
new file mode 100644
index 0000000..69336e8
--- /dev/null
+++ b/tools/patches/flutter-engine/7418238239f885ba92093c44a1768f8ec93b121f.patch
@@ -0,0 +1,31 @@
+diff --git a/DEPS b/DEPS
+index 442e2d912..cb079bde9 100644
+--- a/DEPS
++++ b/DEPS
+@@ -37,7 +37,7 @@ vars = {
+   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
+   'dart_args_tag': '1.4.4',
+   'dart_async_tag': '2.0.8',
+-  'dart_bazel_worker_tag': '0.1.14',
++  'dart_bazel_worker_tag': 'bazel_worker-v0.1.20',
+   'dart_boolean_selector_tag': '1.0.4',
+   'dart_boringssl_gen_rev': 'bbf52f18f425e29b1185f2f6753bec02ed8c5880',
+   'dart_boringssl_rev': '702e2b6d3831486535e958f262a05c75a5cb312e',
+@@ -48,7 +48,7 @@ vars = {
+   'dart_crypto_tag': '2.0.6',
+   'dart_csslib_tag': '0.14.4+1',
+   'dart_dart2js_info_tag': '0.6.0',
+-  'dart_dart_style_tag': '1.2.2',
++  'dart_dart_style_tag': '1.2.4',
+   'dart_dartdoc_tag': 'v0.28.2',
+   'dart_fixnum_tag': '0.10.9',
+   'dart_glob_tag': '1.1.7',
+@@ -74,7 +74,7 @@ vars = {
+   'dart_path_tag': '1.6.2',
+   'dart_plugin_tag': 'f5b4b0e32d1406d62daccea030ba6457d14b1c47',
+   'dart_pool_tag': '1.3.6',
+-  'dart_protobuf_tag': '0.9.0',
++  'dart_protobuf_tag': '0c77167b16d00b561a6055bfe26690af7f26ae88',
+   'dart_pub_rev': '3c060aae47985e9a248b850f1d0450304a5c97e3',
+   'dart_pub_semver_tag': '1.4.2',
+   'dart_quiver_tag': '2.0.0+1',