Update the logic, only check the value change status for user input action, not detec...

Update the logic, only check the value change status for user input action, not detect the change caused by Hii driver change through SetBrowserData function.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15229 6f19259b-4bc3-4df7-8a09-765794883524