Alex Klyubin 6c4a842129 Reset AndroidKeyStore Mac and Cipher state when init fails.
For consistency, this also switches AndroidKeyStore's Mac init/reset
implementation to the same approach as used in Cipher.

Bug: 18088752
Change-Id: Id34caf7cfe04f2058e22d8632890f762927bb31c
2015-04-24 10:49:11 -07:00
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