fb: respect config_animateScreenLights and fade out if set to true

Currently if config_animateScreenLights is set to true the settings entry is not shown
but the default animation is not fade out which it should be in this case.

This commit fixes this.

Change-Id: I02dfa15d65bc6da30f4e19fbf4698a669cb0e2c8
Use Android L navbar icons by default

Change-Id: I80425aec8db26e56954c0c081ee811eeff86e4fd
Update Roboto fonts to Android L versions

Change-Id: I541694b159e32bb90c1889e894c4352e43f3ce40