Merge "Revert "releasetools: Allow using futility-host to sign old TF.zip."" into nyc-dev am: b0df1ef7ac am: 983c979c25 am: bd6d03ab18 am: 8e574cb9f7 am: f2f1048e11 am: ed23172532
am: c0667648df

Change-Id: Ief3a68185257225e4a493402002133e1669c8028