Enhance Settings displays

[2/2] Settings: add force multi pane switch for Settings
Add depth animation when sliding through the viewpagers

Thanks AOSPAL! credit: TheMrcool212

Change-Id: I6ec13ec3ef8c8ff2456b2c826edcfd9660a14aa4

Conflicts:
	res/values/psd_strings.xml
	res/xml/system_settings.xml