Updating trunk VERSION from 3496.0 to 3497.0

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

Change-Id: Iaf213e06847c17b38a8742207815062a7c20e5b3
Reviewed-on: https://chromium-review.googlesource.com/1142603Reviewed-by: chrome-release-bot@chromium.org <chrome-release-bot@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576342}

chrome/VERSION

 MAJOR=69
 MINOR=0
-BUILD=3496
+BUILD=3497
 PATCH=0