Roll browser-protocol

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Roll created at https://cr-buildbucket.appspot.com/build/8713480980064900961

R=devtools-waterfall-sheriff-onduty@rotations.google.com

Bug: none
Change-Id: I11eb77a86683eb7fc0405a03b97c5628cc942988
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/6604659
Commit-Queue: Kim-Anh Tran <kimanh@chromium.org>
Bot-Commit: Devtools Autoroller <devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Reviewed-by: Kim-Anh Tran <kimanh@chromium.org>

Author: devtools-ci-autoroll-builder

DEPS

@@ -24,7 +24,7 @@ vars = {
   'inspector_protocol_revision': '6d1ae0f13aae6ad381ca31b17b88a0f5af29ca94',
 
   # Keeping track of the last time we rollerd the browser protocol files.
-  'chromium_browser_protocol_revision' : 'ca732a76b9b3060f9644256e1346c03c761a685a',
+  'chromium_browser_protocol_revision' : '1cbea9a67e6b8a957e370ab258e26bbdae9cbd29',
 
   'clang_format_url': 'https://chromium.googlesource.com/external/github.com/llvm/llvm-project/clang/tools/clang-format.git',
   'clang_format_revision': '37f6e68a107df43b7d7e044fd36a13cbae3413f2',