Split browser with browser core and display engine.
First Version, goal:
  1.Display Engine has the framework.
  2.Browser core ready.(PasswordCheck, ValidateQuestionV not ready)

Signed-off-by: Eric Dong

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14281 6f19259b-4bc3-4df7-8a09-765794883524
Revert change 14281, should not check in here.

Signed-off-by: Eric Dong

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14282 6f19259b-4bc3-4df7-8a09-765794883524