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There are currently a set of FYI bots running Viz varients of test suites:
  --enable-features=VizDisplayCompositor

This change ads a viz variant of interactive_ui_tests to these FYI bots. So that
we can begin getting coverage of this suite.

TEST=viz_interactive_ui_tests

Bug: 843331
Change-Id: Id56e2f8f0f1748823d5c17d938ff0582c066301c
Reviewed-on: https://chromium-review.googlesource.com/1060423Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#558860}