[beta] Cherry-pick DevTools 2.34.2

Bug: #55338
Cherry-pick: flutter/devtools@v2.34.1...2.34.2
Cherry-pick-request: #55338
Fixes: #55338
Change-Id: I7f2e095c3e10159c33a7a26233c212e073104498
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/360443
Reviewed-by: Kevin Chisholm <kevinjchisholm@google.com>
Commit-Queue: Kevin Chisholm <kevinjchisholm@google.com>

Author: kenzieschmoll

DEPS

@@ -102,7 +102,7 @@ vars = {
   "boringssl_rev": "d24a38200fef19150eef00cad35b138936c08767",
   "browser-compat-data_tag": "ac8cae697014da1ff7124fba33b0b4245cc6cd1b", # v1.0.22
   "cpu_features_rev": "936b9ab5515dead115606559502e3864958f7f6e",
-  "devtools_rev": "7421a2d5d67cbcdec92f1a2ac993b8b64b28d7ca",
+  "devtools_rev": "8541874805e6e0b495d5d831db7211e12d3f73aa",
   "icu_rev": "81d656878ec611cb0b42d52c82e9dae93920d9ba",
   "jinja2_rev": "2222b31554f03e62600cd7e383376a7c187967a1",
   "libcxx_rev": "44079a4cc04cdeffb9cfe8067bfb3c276fb2bab0",