Updating trunk VERSION from 3521.0 to 3522.0

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

Change-Id: Ia13ff3b9446189cc75d29f17f16435c0dcb3cf24
Reviewed-on: https://chromium-review.googlesource.com/1171997Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#582497}

chrome/VERSION

 MAJOR=70
 MINOR=0
-BUILD=3521
+BUILD=3522
 PATCH=0