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

Change-Id: Idb1aed155484b76149ada67a94e78a079d6b1bd7