Flutter 1.25.0 8.1.pre (#627)

diff --git a/Dockerfile b/Dockerfile
index 4ee5e79..f1a493f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@
 # To retrieve this value, please run the following in your closest shell:
 #
 # $ (cd flutter && git rev-parse HEAD)
-ARG FLUTTER_COMMIT=022b333a089afb81c471ec43d1f1f4f26305d876
+ARG FLUTTER_COMMIT=8f89f6505b941329a864fef1527243a72800bf4d
 
 # We install unzip and remove the apt-index again to keep the
 # docker image diff small.
diff --git a/cloud_run.Dockerfile b/cloud_run.Dockerfile
index 168cd62..d17e8ff 100644
--- a/cloud_run.Dockerfile
+++ b/cloud_run.Dockerfile
@@ -6,7 +6,7 @@
 # To retrieve this value, please run the following in your closest shell:
 #
 # $ (cd flutter && git rev-parse HEAD)
-ARG FLUTTER_COMMIT=022b333a089afb81c471ec43d1f1f4f26305d876
+ARG FLUTTER_COMMIT=8f89f6505b941329a864fef1527243a72800bf4d
 
 # We install unzip and remove the apt-index again to keep the
 # docker image diff small.
diff --git a/flutter b/flutter
index 022b333..8f89f65 160000
--- a/flutter
+++ b/flutter
@@ -1 +1 @@
-Subproject commit 022b333a089afb81c471ec43d1f1f4f26305d876
+Subproject commit 8f89f6505b941329a864fef1527243a72800bf4d
diff --git a/pubspec.lock b/pubspec.lock
index 3ec38df..cf5d3ec 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -21,7 +21,7 @@
       name: analysis_server_lib
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.9"
+    version: "0.1.10"
   analyzer:
     dependency: "direct main"
     description:
@@ -70,14 +70,14 @@
       name: build
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.2"
+    version: "1.6.0"
   build_config:
     dependency: transitive
     description:
       name: build_config
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.4"
+    version: "0.4.5"
   build_daemon:
     dependency: transitive
     description:
@@ -91,21 +91,21 @@
       name: build_resolvers
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.4"
+    version: "1.5.1"
   build_runner:
     dependency: "direct dev"
     description:
       name: build_runner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.10.7"
+    version: "1.10.11"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.1.2"
+    version: "6.1.5"
   built_collection:
     dependency: transitive
     description:
@@ -133,7 +133,7 @@
       name: checked_yaml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.4"
   cli_util:
     dependency: transitive
     description:
@@ -434,7 +434,7 @@
       name: pubspec_parse
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.5"
+    version: "0.1.7"
   quiver:
     dependency: "direct main"
     description:
@@ -462,7 +462,7 @@
       name: shelf_router
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.7.3"
+    version: "0.7.4"
   shelf_router_generator:
     dependency: "direct dev"
     description:
@@ -476,7 +476,7 @@
       name: shelf_static
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.8"
+    version: "0.2.9+1"
   shelf_web_socket:
     dependency: transitive
     description:
@@ -490,7 +490,7 @@
       name: source_gen
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.9"
+    version: "0.9.10+1"
   source_map_stack_trace:
     dependency: transitive
     description:
@@ -581,7 +581,7 @@
       name: timing
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.1+2"
+    version: "0.1.1+3"
   tuneup:
     dependency: "direct dev"
     description: