Update DevTools DEPS (trusted)

Rolling buildtools: https://chromium.googlesource.com/chromium/src/buildtools/+log/9f61cc4..2e85fad

Rolling buildtools/linux64: git_revision:6e8e0d6d4a151ab2ed9b4a35366e630c55888444..git_revision:c0a46c5e8c316010baf1a0eb2d2ee5a86f73e4c2

Rolling buildtools/mac: git_revision:6e8e0d6d4a151ab2ed9b4a35366e630c55888444..git_revision:c0a46c5e8c316010baf1a0eb2d2ee5a86f73e4c2

Rolling buildtools/win: git_revision:6e8e0d6d4a151ab2ed9b4a35366e630c55888444..git_revision:c0a46c5e8c316010baf1a0eb2d2ee5a86f73e4c2

Roll created at https://cr-buildbucket.appspot.com/build/8718067452134409937

Bug: none
Change-Id: I6b52df3868b7681a43db26ff6b3451cac4a784a1
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6438223
Commit-Queue: Devtools Autoroller <devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: 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': '9f61cc436c33b7fc64371efc4ec5260e6e1d6a05',
+  'buildtools_revision': '2e85fadf9fc1fa9a00b7a9d7f467474ad4484c97',
 
   'depot_tools_url': 'https://chromium.googlesource.com/chromium/tools/depot_tools.git',
   'depot_tools_revision': 'f40ddcd8d51626fb7be3ab3c418b3f3be801623f',
@@ -32,7 +32,7 @@ vars = {
   'emscripten_tag': 'ade9d780ff17c88d81aa13860361743e3c1e1396',
 
   # GN CIPD package version.
-  'gn_version': 'git_revision:6e8e0d6d4a151ab2ed9b4a35366e630c55888444',
+  'gn_version': 'git_revision:c0a46c5e8c316010baf1a0eb2d2ee5a86f73e4c2',
 
   'cmake_version': 'version:[email protected]',