GoogleTest Compatibility with MdePkg's IndustyStandard header files

[aaronpop@microsoft.com]

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Google Test, and CPP, has more keywords  C uses.

Tpm12.h and Tpm20.h have references to struct names that are `operator` and `xor`, both of which trigger build errors because they conflict with CPP's keywords.

Operator triggered a build error in MSVC. Xor only triggered a build error under GCC, MSVC did not have a problem with it.

The work arounds suggested in the call, (using defines to get around the conflict) worked for operator, but did not work for xor with gcc.


Tpm12.h:
TPM_PERMANENT_FLAGS
  BOOLEAN                           operator;


Tpm20.h:
TPMU_SCHEME_KEYEDHASH
  TPMS_SCHEME_XOR  xor;

TPMU_SYM_KEY_BITS
  TPMI_ALG_HASH     xor;


What is the suggested method of trying to make existing header files compatible with google test?

Thanks,
Aaron

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