Revert "Move ArtGtestsTarget to general-tests."

This reverts commit c6849c6805251b699b4f8d954861c325f3cb1985.

Reason for revert: b/156939667

Change-Id: I72e8c2e0e2b3676b0a7f15e585b1bbf07193c6a5
2 files changed