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: 7f7adc6a
am: 1d87b453
Change-Id: Ibb1f3e95bc68b595ca6b5510058ff3dffe61999e