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This change implements a blocklist for USB serial devices similar to the
one used for the WebUSB API. The implementation is kept separate because
the set of filterable device properties will be different for serial
ports even though the current implementation only supports matching USB
devices.

Devices on the blocklist will not appear in the device chooser prompt
and previously granted permissions will be ignored.

Bug: 884928
Change-Id: I4397452aad0738bc80b31c82460f3f37b5fc6324
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2613792
Auto-Submit: Reilly Grant <reillyg@chromium.org>
Reviewed-by: Matt Reynolds <mattreynolds@chromium.org>
Reviewed-by: Ilya Sherman <isherman@chromium.org>
Commit-Queue: Reilly Grant <reillyg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#841321}