Revert \\\"Add another purchase button that uses a key which isn\\\'t...
Revert \\\"Add another purchase button that uses a key which isn\\\'t invalidated even if a new fingerprint is enrolled.\\\" am: ffaccc72 am: 9ae8b6f6
am: 263420ae
Change-Id: Ic6c5280a53372dd06b7b35aa0e997ac9d172339c