amend miui hook for PhoneNumberUtils

Change-Id: I9f8b5f13dc332bd2fa264114e446b0aa43240ade
adjust permission of torch device

Change-Id: I068989adb2623ab5c184593828df1e46d4158c67
Change shutdown and restart dialog's title, message and positive button text.

MIUI-9426

Change-Id: Ibf04061fb5f7de92207ed24a2f0caa299eb625dc
Ref-Id: I274fe9fdf1dad0881121b1e3ede6181c860f28ed