Updating trunk VERSION from 3470.0 to 3471.0

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

Change-Id: Ifd517d8e010d9dc7acc4c3d82423ef74a36e8b48
Reviewed-on: https://chromium-review.googlesource.com/1112809Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#569875}

chrome/VERSION

 MAJOR=69
 MINOR=0
-BUILD=3470
+BUILD=3471
 PATCH=0