Updating trunk VERSION from 4278.0 to 4279.0

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

Change-Id: I03396595652afda6036ac5cb0a2187eb25e4228a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2439428Reviewed-by: Chrome Release Bot (LUCI) <chrome-official-brancher@chops-service-accounts.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#811924}

chrome/VERSION

 MAJOR=87
 MINOR=0
-BUILD=4278
+BUILD=4279
 PATCH=0