[UXTHEME][UXTHEME_APITEST][SDK] GetThemeParseErrorInfo (#7662)

Implementing missing features...
JIRA issue: CORE-12805
- Add dll/win32/uxtheme/errinfo.c.
- Implement GetThemeParseErrorInfo
fun

[UXTHEME][UXTHEME_APITEST][SDK] GetThemeParseErrorInfo (#7662)

Implementing missing features...
JIRA issue: CORE-12805
- Add dll/win32/uxtheme/errinfo.c.
- Implement GetThemeParseErrorInfo
function in errinfo.c.
- Modify uxtheme.spec.
- Add GetThemeParseErrorInfo
prototype to <uxundoc.h>.
- Adapt <uxundoc.h> to C++.
- Add global variable
gdwErrorInfoTlsIndex.
- Add UXTHEME_UnInitSystem
function.

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