Make DozeParameters, DozeFactory, DozeService, and ImageWallpaper injectable.

This adds providers for some of the system level objects that we rely
on as well.

A handful of calls for Dependency.get() have been removed in this
cl, (though others are added where necessary).

Bug: 142536902
Test: atest SystemUITests && manual
Change-Id: Id9cb62deba5229895d487803124dd115b7288466