Quick Settings: Option to use floating window (2/2)

Allows the option of launching preferences from the quicksettings menu in a
floating window

Change-Id: I00237f6b667d35f0e8d2cf8201f4efee6adf762c

Conflicts:
	res/xml/quick_settings_panel.xml
Halo: Option to ping on silent notifications (2/2)
Settings: Move Halo to Notification drawer

Change-Id: I898aceb4780a6befb592e4a88d4038df87eb086f
remove unneeded strings