Roll Flutter from 98c04987963b to eec8d9d9cc29 (32 revisions) (#2687)

diff --git a/.ci/flutter_master.version b/.ci/flutter_master.version
index 63c2d50..914a900 100644
--- a/.ci/flutter_master.version
+++ b/.ci/flutter_master.version
@@ -1 +1 @@
-98c04987963b6d36b107648161878cd1cfa1cdc2
+eec8d9d9cc2945e12f11bc714de107ad9799ad9b