Remove DEVICE_TESTDEX and adjust paths.

ART testing doesn't need testdex variants of jars anymore.

Exempt-From-Owner-Approval: PS2 was owner approved, and PS4 just
fixes a line break.

Test: run-libcore-tests, run-jdwp-tests
Change-Id: Idaa7857bbb95f055b7d60fa2a8ebc3b1162acbe0
4 files changed