Add testapi to dist_files.

Also, switch mokito from a static_lib to a lib so the mokito classes
don't end up in the final .jar file (we assume the apps being tested
have their own version of mokito).

Test: m PRODUCT-sdk_gcar_x86-userdebug android.car.testapi dist
Bug: 130293586
Change-Id: Id5c9569e964fdf05071d400eee500993e59f0c3a
2 files changed