Revert^2 "Update ExecUtils to support artd use cases."

This reverts commit ff95ad517297384d4a2ea589490019f90d637e17.

Reason for revert: Fix available (aosp/2148047)

Test: Presubmit
Merged-In: I123c73728086d115f6882196e3dc38ca5c74d8ab
Change-Id: I985ba0440aadfcaf82dc40f09427bac92d8d76da
5 files changed