Update DevTools DEPS (trusted)

Rolling buildtools: https://chromium.googlesource.com/chromium/src/buildtools/+log/2e85fad..085537d

Roll created at https://cr-buildbucket.appspot.com/build/8717976855017340913

Bug: none
Change-Id: I5fd11065c10643e83d751f5733847a92a9ca898f
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6446533
Bot-Commit: Devtools Autoroller <devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Devtools Autoroller <devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>

Author: devtools-ci-autoroll-builder

DEPS

@@ -15,7 +15,7 @@ vars = {
   'build_revision': 'e13953ced04ed05f45aa3c961bd6d802aced74ec',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
-  'buildtools_revision': '2e85fadf9fc1fa9a00b7a9d7f467474ad4484c97',
+  'buildtools_revision': '085537daf1ccf6afe4e0b4c0a0e4ed5ac5fe55a3',
 
   'depot_tools_url': 'https://chromium.googlesource.com/chromium/tools/depot_tools.git',
   'depot_tools_revision': 'f40ddcd8d51626fb7be3ab3c418b3f3be801623f',