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Previously when ResetScreen was allocated it'd force set itself
as the active screen. This is the only screen that does this and
it does not play well with pre-allocating screen instances ahead of
time.

Bug: None
Change-Id: Ie70a0e64dd1f6891935fd0f6d39c99ab1d4999d6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1560437
Commit-Queue: Jacob Dufault <jdufault@chromium.org>
Reviewed-by: Alexander Alekseev <alemate@chromium.org>
Cr-Commit-Position: refs/heads/master@{#649655}