User should confirm device lock before un-unifying

User should confirm device lock before un-unifying
Move Use the same lock toggle the first option
When Unifying Title while confirming device password is of profile.

Bug: 26815727
Bug: 27523804
Bug: 27547551

Change-Id: I44857f7dcff3d68486e7e4d2ae8565b56d7c91b7