Update DevTools rev to 1fb2f4ce5099042b7f2dfa93dec675a21861d21f

Change-Id: I42be947dec5170d1725c16d78ce646af698a0885
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/420467
Reviewed-by: Elliott Brooks <[email protected]>
Commit-Queue: Kenzie Davisson <[email protected]>

Author: kenzieschmoll

DEPS

@@ -101,7 +101,7 @@ vars = {
   "boringssl_rev": "8d8df26fc54f6e5fb0bf404a76ce973c0413eafc",
   "browser-compat-data_tag": "ac8cae697014da1ff7124fba33b0b4245cc6cd1b", # v1.0.22
   "cpu_features_rev": "936b9ab5515dead115606559502e3864958f7f6e",
-  "devtools_rev": "f10e8df8c517fb0412b9a66c626581867c9c267d",
+  "devtools_rev": "1fb2f4ce5099042b7f2dfa93dec675a21861d21f",
   "icu_rev": "43953f57b037778a1b8005564afabe214834f7bd",
   "jinja2_rev": "2222b31554f03e62600cd7e383376a7c187967a1",
   "libcxx_rev": "44079a4cc04cdeffb9cfe8067bfb3c276fb2bab0",