Settings: Toggle to disable fullscreen keyboard (2/2)

Optimized for PA settings

https://github.com/temasek/android_packages_apps_Settings/commit/d251392f131ed609f80b11010f9d95f38ac9ae3f

	modified:   AndroidManifest.xml
	modified:   res/values/pa_strings.xml
	new file:   res/xml/keyboard_input_settings.xml
	modified:   res/xml/language_settings.xml
	new file:   src/com/android/settings/cyanogenmod/KeyboardInputSettings.java

Change-Id: I673c56db50c448054dff3a12d9ea0ce85a33e45d