Refactor tests for ApkAsset loading APIs

This change adds the file descriptor based ResourceProvider APIs to
the provider formats to test. It also refactors the testing API
so that all test APKs, ARSCs, and splits have the same resources
rather than different formats having different resources.

Bug: 142716192
Test: atest FrameworksResourceLoaderTests
Change-Id: I37da9f6c815ea67629b3115b0e125ebc79cd7c8c