Keyguard: Make sure disabling Camera widget

This fixes the issue that Camera widget is enabled on non-camera devices
until users open up lockscreen settings

Change-Id: I599733f65ec31a16f8a8c5ee98a8a2ba6bc56c63
Merge "Keyguard: Make sure disabling Camera widget" into cm-11.0
Automatic translation import

Change-Id: Icd2dcbc64cfdb867f03b2cb4931c176f54fd0173
NFC polling mode (3/3)

Change-Id: Ia03413578d47e7cd0ffb3080778b6a1154cfc651