When extracting dex files from prebuilt APEXes the build fails if it
finds two or more prebuilt APEXes that could provide the dex files.
This change treats <x> and <x>_compressed APEXes as being the same
and always selects the uncompressed APEX.
Bug: 235284603
Test: m nothing
# Added TestDuplicateButEquivalentDeapexersFromPrebuiltApexes
# Failed without this change, works with it.
Change-Id: I805cb9dfa9f590c91585d75c4f4586b212b73d41