Consistently use red color for animation scrub
Consistently use red color for animation scrub

Use both --color-red for light and dark theme

R=296389d11343900e76d73969c719e93a67ee1bb5@chromium.org

Fixed: 1251914
Change-Id: Ie68883f4109d0b73a5104a1d605cbf3bdba57ad4
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3263407
Commit-Queue: Yang Guo <1cf0af8245a3a17a632a2c73531392b0f9761c76@chromium.org>
Commit-Queue: Peter Müller <296389d11343900e76d73969c719e93a67ee1bb5@chromium.org>
Auto-Submit: Yang Guo <1cf0af8245a3a17a632a2c73531392b0f9761c76@chromium.org>
Reviewed-by: Peter Müller <296389d11343900e76d73969c719e93a67ee1bb5@chromium.org>

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