Roll Global Integration

GitOrigin-RevId: ac02a41ec64689a6af0cd3ae69eeb31305eafd54
Change-Id: Ia988de6ca021cbc9c4ad3bf927039c3467849e9a
diff --git a/topaz/flutter b/topaz/flutter
index 79743e4..6c7bd8c 100644
--- a/topaz/flutter
+++ b/topaz/flutter
@@ -4,7 +4,7 @@
     <project name="external/github.com/flutter/flutter"
              path="third_party/dart-pkg/git/flutter"
              remote="https://chromium.googlesource.com/external/github.com/flutter/flutter"
-             revision="6e1b143fed6088f96b713b360b5795f3f5e6edc5"/>
+             revision="b593f5167bce84fb3cad5c258477bf3abc1b14eb"/>
     <project name="external/github.com/flutter/engine"
              path="third_party/flutter"
              remote="https://chromium.googlesource.com/external/github.com/flutter/engine"