Revert "Revert "Build FUTILITY tool from futility-host."" am: 69ad150dd3 am: 56e0166eb8 am: 98eb433d99 am: 33a36d4ed2 am: 89fce5b071 am: 37ccbd54db
am: ce6576cfcf

Change-Id: Ic2aa635715183cf046ae6d6f7736154486618684