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The original demo survey is out of its capacity, so we change to this
survey which still have capacity to collect more responses.

Change-Id: I97d0ed351c6fba880804143869afe45142adc20e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2062944
Commit-Queue: Wei Li <weili@chromium.org>
Reviewed-by: Robert Liao <robliao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#743296}