Update DevTools DEPS (trusted)

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/4cdb654..0cecdf8

Rolling third_party/depot_tools: https://chromium.googlesource.com/chromium/tools/depot_tools/+log/7cffe56..6c81fd0

Roll created at https://cr-buildbucket.appspot.com/build/8723627840385345617

Bug: none
Change-Id: I1c9f85173cb7149b28d5ef11114bf8d8cc26537a
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6242553
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': '4cdb654693f3928ebd42c71d4f4243c489ab8bb4',
+  'build_revision': '0cecdf805209ca84b85ec9f9c68e4da8c5e0e36b',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
   'buildtools_revision': 'fa96185dc5d13c6666b4850d03cddc06be4e4f35',
 
   'depot_tools_url': 'https://chromium.googlesource.com/chromium/tools/depot_tools.git',
-  'depot_tools_revision': '7cffe56af41cfd9121586a68348e516f20aac457',
+  'depot_tools_revision': '6c81fd0ae32e9940976cc734a4a7b396d81801c1',
 
   'inspector_protocol_url': 'https://chromium.googlesource.com/deps/inspector_protocol',
   'inspector_protocol_revision': '940abfc668be2591483f7132145593c6a047f3cf',