SettingsProvider: Initialize defaults for CM features

Add configuration defaults for:
- status bar notification count
- QuickSettings quick pulldown
- lockscreen targets

Change-Id: Ief4b97fcceea7e351a13d59136a2fb1823d97b04
SystemUI: Fix build warnings

Change-Id: I3493428eb5192bf39b31bf8a5c66406660af1aca
Merge "SettingsProvider: Initialize defaults for CM features" into cm-10.1
Merge remote-tracking branch 'upstream/cm-10.1' into cm-10.1