Replace Performance control with Kernel Tweaker (2/3)

Based on Dirty Unicorns commit

Signed-off-by: anerik <anerikgames@gmail.com>

Conflicts:
	res/values-de/liquid_strings.xml
	res/values-es/liquid_strings.xml
	res/values/ose_strings.xml
	res/xml/settings_headers.xml
	src/com/android/settings/Settings.java

Conflicts:
	Android.mk
	res/values/slim_strings.xml
	res/xml/settings_headers.xml
	src/com/android/settings/Settings.java