SettingsProvider: Initialize defaults for CM features

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

Change-Id: Ief4b97fcceea7e351a13d59136a2fb1823d97b04

Conflicts:

	packages/SettingsProvider/res/values/defaults.xml
	packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java