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Autogenerate Polymer 3 versions of CrFingerprintProgressArc and its
tests. This will be used by chrome://settings in future.

Bug: 1042558
Change-Id: I5a628f2e2dd96bc91b607a453b862022555a04c0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2013630Reviewed-by: Demetrios Papadopoulos <dpapad@chromium.org>
Commit-Queue: Rebekah Potter <rbpotter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734131}