The docs on OEMCrypto_DecryptCENC() weren't updated correctly when we allowed the (0,0) pattern in v17. This patch brings the header docs in-line with the handwritten part of the devsite documentation. Merged from http://go/wvgerrit/204630 Bug: 336330529 Change-Id: Ic6c81d8f04904b83c34fbc0235ebbae8705a4182