Update DevTools DEPS (trusted)

Rolling buildtools: https://chromium.googlesource.com/chromium/src/buildtools/+log/628cf12..af886cc

Rolling buildtools/linux64: git_revision:8c77cb940e3f73443dac9e1a1a55c22a9891d67d..git_revision:748c9571f3d18820a7989a880d5ddf220e54af1b

Rolling buildtools/mac: git_revision:8c77cb940e3f73443dac9e1a1a55c22a9891d67d..git_revision:748c9571f3d18820a7989a880d5ddf220e54af1b

Rolling buildtools/win: git_revision:8c77cb940e3f73443dac9e1a1a55c22a9891d67d..git_revision:748c9571f3d18820a7989a880d5ddf220e54af1b

Rolling third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/9c69e0d..257c4d1

Roll created at https://cr-buildbucket.appspot.com/build/8698260689633118177

Bug: none
Change-Id: I4a2d59b096c409029606b00664eeaaf611b0dc2b
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7154628
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

@@ -15,10 +15,10 @@ vars = {
   'build_revision': 'bc4f003a0fe2e0cd03879ec01a829b3de018d2b6',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
-  'buildtools_revision': '628cf12465dae2a157524a23608a58b525d30623',
+  'buildtools_revision': 'af886cc8509201242e51417a3e5bb89aaae9138f',
 
   'depot_tools_url': 'https://chromium.googlesource.com/chromium/tools/depot_tools.git',
-  'depot_tools_revision': '9c69e0d57324b4f2cc35c9cb0748bc7b0f3c5a9a',
+  'depot_tools_revision': '257c4d187d8817b57b1dfc09e166f94038faa429',
 
   'inspector_protocol_url': 'https://chromium.googlesource.com/deps/inspector_protocol',
   'inspector_protocol_revision': '679b33a98ae546ff521eee2ea28d8d5bf28872ba',
@@ -32,7 +32,7 @@ vars = {
   'emscripten_tag': 'ade9d780ff17c88d81aa13860361743e3c1e1396',
 
   # GN CIPD package version.
-  'gn_version': 'git_revision:8c77cb940e3f73443dac9e1a1a55c22a9891d67d',
+  'gn_version': 'git_revision:748c9571f3d18820a7989a880d5ddf220e54af1b',
 
   'cmake_version': 'version:[email protected]',