Drop ANDROID_ADDITIONAL_PUBLIC_LIBRARIES.

It's not needed any more since libarttest(d).so is loaded from the ART
linker namespace.

Test: art/test/testrunner/testrunner.py --target --64 --optimizing
Bug: 130340935
Bug: 167578583
Change-Id: I785133e921277cb25360856e9af20fa681b54a3b
4 files changed