TF card tests on BB xM Rev. B and Android FroYo V2.2

[esky-sh]

Only test first boot up timing for Android installation.

Kingston 4G Class 4, 25 minutes
Kingmax 8G Class 6, 6.4 minutes
Kingmax 8G Class 10, 6.0 minutes
Transcend 4G Class 6, 4.7 minutes

Note: Kingston 4G is card came with BB xM board.