Updating trunk VERSION from 3718.0 to 3719.0

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

Change-Id: I30fa568da84f04ecb64816e9d4029d2b2dc81c30
Reviewed-on: https://chromium-review.googlesource.com/c/1488024Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#635391}

chrome/VERSION

 MAJOR=74
 MINOR=0
-BUILD=3718
+BUILD=3719
 PATCH=0