Fix resource filtering bug in interaction between densities and API version

ResourceFilter, following Aapt's behavior, ignored the 'version' qualifier.
However, ResourceFilter also filters by densities, which is not supposed to
ignore the version qualifier. Change ResourceFilter to only ignore the version
qualifier when filtering by resource_configuration_filters, not densities.

Without this change, when filtering by density, ResourceFilter would treat, for
example, res-hdpi-v4/foo.png and res-hdpi-v11/foo.png as identical, even though
they have different versions, and only use one of them when building the newly
filtered list of resources. Instead, they should both be included.

Also include a unit test that covers this behavior. Rather than add this in
AndroidBinaryTest, create a new ResourceFilterTest class. To support that, move
ResourceFilter from using the test-unfriendly RuleContext class to the
easy-to-fake RuleErrorConsumer whenever possible.

RELNOTES: none
PiperOrigin-RevId: 159122507

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