Sort inputs to compatibility suite zip files

Sort the inputs to remove duplicates, which fixes:
found two file paths to be copied into dest path: "target/testcases/minikin_perftests/minikin_perftests", both ["target/testcases/minikin_perftests/minikin_perftests"]"out/target/product/bullhead/testcases/minikin_perftests/minikin_perftests" and ["target/testcases/minikin_perftests/minikin_perftests"]"out/target/product/bullhead/testcases/minikin_perftests/minikin_perftests"!

Test: m -j device-tests
Change-Id: I8d7e83cd077c62461c9a08e7f1b49c321fbcb0e3