Updating trunk VERSION from 3531.0 to 3532.0

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

Change-Id: I390595bac216edba8e7e1c710f94084c540b52c0
Reviewed-on: https://chromium-review.googlesource.com/1187395Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#585631}

chrome/VERSION

 MAJOR=70
 MINOR=0
-BUILD=3531
+BUILD=3532
 PATCH=0