This allows disabling keyguard widgets through Settings.
On new devices, the setting is turned off by default. If the
user currently has widgets in keyguard, then we keep them
and re-enable the setting.
Change-Id: I25f0756ac72227e13dcb491694b3ec3c2bf1d293
This moves OwnerInfo into Location&Security and adds the
necessary logic to only show it in modes that make sense-
Lock (when not disabled) and Unlock (pattern, pin, password).
Change-Id: I3549dc4d956406aea3d63cd06d37bcea27a5b555
