[Win64ARM] Disable touch-ui for unit_tests on win-arm

The tests are not expecting touch screen on bots, while we are using
Surface Pro in win-arm64-rel pool.

Bug: 1413908
Change-Id: Iaaaf73703cb4356b04692909d9a6a8e7386715df
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4349440


Commit-Queue: Kuan Huang <kuanhuang@chromium.org>
Reviewed-by: Gregory Guterman <guterman@google.com>
Reviewed-by: Bruce Dawson <brucedawson@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1118912}