1) Add in code to sync Browser Data with the NvMapOverride that may be updated by...

1) Add in code to sync Browser Data with the NvMapOverride that may be updated by Framework Callback.
2) Convert lang code to RFC3066 format in Framework HII's GetSring and NewString
3) Make sure the default ThunkExtractConfig is able to save the data even if it is not present initially.
4) Enable Framework HII's HiiGetGlyph and HiiGlyphToBlt.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5689 6f19259b-4bc3-4df7-8a09-765794883524