PlzNavigate: Update the list of disabled tests on the FYI bot.
PlzNavigate: Update the list of disabled tests on the FYI bot.

This also enables unit_tests on the FYI bot.

BUG=510836,504347,475027

Review URL: https://codereview.chromium.org/1235593005

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#339089}

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