Sync patch r14768 from main trunk.
Move update legacy order logic from CHANGING to CHANGED.

git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1@14772 6f19259b-4bc3-4df7-8a09-765794883524
Sync patch r14774 from main trunk.
Clean the garbage space for the statements nest in subtitle menu.

git-svn-id: https://svn.code.sf.net/p/edk2/code/branches/UDK2010.SR1@14775 6f19259b-4bc3-4df7-8a09-765794883524