Revert "Move ART gtests to general-tests."

This reverts commit 0e6d73a65e577e6416ee68490ca19ca3123f7fc6.

Reason for revert: I suspect it is causing failing post-submit tests 

Change-Id: I07bcd71537ef0cea8a1e8947b2e17a09df561a2c
2 files changed