Update DevTools DEPS (trusted)

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/73bc49d..96268f3

Rolling third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/0407d6b..ec7d8f5

Roll created at https://cr-buildbucket.appspot.com/build/8691828299707767233

Bug: none
Change-Id: I4dc898452cc0b450de4e767f8433f206a7c9680e
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7510200
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

@@ -12,13 +12,13 @@ vars = {
   'build_with_chromium': False,
 
   'build_url': 'https://chromium.googlesource.com/chromium/src/build.git',
-  'build_revision': '73bc49ded0de5ce2de9fb4e6aa8b1394368ec690',
+  'build_revision': '96268f31582a64e85b9a952e71f7901eeb144867',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
   'buildtools_revision': '4dc32b3f510b330137385e2b3a631ca8e13a8e22',
 
   'depot_tools_url': 'https://chromium.googlesource.com/chromium/tools/depot_tools.git',
-  'depot_tools_revision': '0407d6b1601d3402cd60a0ca9f097a4d33360e0b',
+  'depot_tools_revision': 'ec7d8f539cb439ce9ca7750ff0d8942e68325090',
 
   'inspector_protocol_url': 'https://chromium.googlesource.com/deps/inspector_protocol',
   'inspector_protocol_revision': '39acff851716ef40aaa0312ce0d359e37ef0d467',