This CL adds AllocateSecureBuffer and FreeSecureBuffer to the list of function names that are obfuscated. It also corrects some spelling and formatting in OEMCrypto headers. This is still version 16.4. Merge from Widevine repo of http://go/wvgerrit/115803 http://go/wvgerrit/111104 http://go/wvgerrit/108703 http://go/wvgerrit/108703 Bug: 139814713 Bug: 141202789 bug: 168634557 bug: 168635928 bug: 168637230 bug: 168639188 Change-Id: I6f06549b2cf104c6751b2947964569e974fcdcd2