Updating trunk VERSION from 3510.0 to 3511.0

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

Change-Id: I4eef1493c910e28742f97bc512d3547b6ffde798
Reviewed-on: https://chromium-review.googlesource.com/1159593Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580049}

chrome/VERSION

 MAJOR=70
 MINOR=0
-BUILD=3510
+BUILD=3511
 PATCH=0