Slider value indicator gets disposed if it is activated (#57535)

https://dart.googlesource.com/external/github.com/flutter/flutter/+/bd06749edccc9c65151e4ce25c79e9db099fd37c
diff --git a/commits.json b/commits.json
index e53e471..2f0074e 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "external/github.com/flutter/engine":"af14d2adf0e0933703cdf885ff2361a8f3eef00c",
-  "external/github.com/flutter/flutter":"8443f7cfd348143da645ba0af937cda8f802c99d",
+  "external/github.com/flutter/flutter":"bd06749edccc9c65151e4ce25c79e9db099fd37c",
   "sdk":"c703e05689125b0c17aba826cfc7e127e3adfa88"
 }
\ No newline at end of file