Update DevTools DEPS (trusted)

Rolling build: https://chromium.googlesource.com/chromium/src/build/+log/97e2bd1..45a9a68

Roll created at https://cr-buildbucket.appspot.com/build/8687751442943738657

Bug: none
Change-Id: I9574256f9ae1ba09711719806dbe36297f575b72
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/7648212
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

@@ -12,7 +12,7 @@ vars = {
   'build_with_chromium': False,
 
   'build_url': 'https://chromium.googlesource.com/chromium/src/build.git',
-  'build_revision': '97e2bd1131c90d68561f34776219613b9dfc13ba',
+  'build_revision': '45a9a6899e724447e33c42fa217b77dbe639c008',
 
   'buildtools_url': 'https://chromium.googlesource.com/chromium/src/buildtools.git',
   'buildtools_revision': 'fef8d6947fa54202e8a00c58d5ac8fd15780bc33',