Updating trunk VERSION from 3861.0 to 3862.0

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

Change-Id: Ifd7531da65ac69f44d30adbd82507c2e59f90606
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1714386Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#679844}

chrome/VERSION

 MAJOR=77
 MINOR=0
-BUILD=3861
+BUILD=3862
 PATCH=0