Simplify code and reduce binary size.
JIRA issue: CORE-19363
- Use shlwapi!QISearch for QueryInterface
implementation.
- Add delay link to shlwapi.
- Define QITABENT macro in <shlwapi.h>.
Follow-up to #5590.
- Add CViewStatePropertyBag class.
- Add SHGetViewStatePropertyBag definition.
- Add FreeViewStatePropertyBagCache function and
use it in DllMain to free the cache.
CORE-9283