Dialer: Show the number got from message content on dialpad

Did not show phone number on dialpad,
auto hide DialpadFragment if the phone is not in use.

Do not hide DialpadFragment when reenter Dialer,
set the number get from intent to dialpad text.

CRs-Fixed: 746079

Change-Id: Ia10588ad0401030af2807a41af7697aae9a29a1c