Updating trunk VERSION from 3836.0 to 3837.0

# This is an automated release commit.
# Do not revert without consulting chrome-pmo@google.com.
NOAUTOREVERT=true
TBR=mmoss@chromium.org

Change-Id: I09d0669c1ab6de22835488d6efd912567c70e4f3
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1679072Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#672777}

chrome/VERSION

 MAJOR=77
 MINOR=0
-BUILD=3836
+BUILD=3837
 PATCH=0