Simplifying color extraction registration logic

> Calulating correct location irrespective of transient
  state (scale/translation)
> Removing extraction pause/resume logic
> Simplifying location calculation and registration (only use one location instead of a list)

Bug: 194732483
Test: Manual
Change-Id: I255d83761bff5e09c9fb0a5e398d0be0c1d0956f