jf: increase ui responsiveness

* lower touchslop, improves scroll response
* speed up the notification shade

Change-Id: I0262a5b359d4298a44bf8211baca13e01fa59535

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml
serrano: Enable proximity wake option

Change-Id: I0b15ea2cf5303c6f14175be6bf406074e87c5467

Conflicts:
	overlay/frameworks/base/core/res/res/values/config.xml
serrano: Set call recording source to voice line

Change-Id: Ie51be3225fd383a7ab8ca0d4862351d38601968d