Remove injected parametser from NSSL

This substitutes in calls to Dependency#get. While this feels like
a step backwards, it is the last step necessary before removing
acual view injection.

Removal of Dependency#get is ongoing and will include cleanup of this
class.

Bug: 149942757
Test: manual
Change-Id: I129f0751f101cdce7ae92554b2a09d2091b7c13b