updatePostedAndCurrentSpeed
fun updatePostedAndCurrentSpeed(locationMatcherResult: LocationMatcherResult, distanceFormatterOptions: DistanceFormatterOptions, formatter: ValueFormatter<SpeedData, Int> = PostedAndCurrentSpeedFormatter()): SpeedInfoValue?
Evaluates LocationMatcherResult data to calculate the posted and user's current speed.
Return
an updated state for rendering in the view, null if not available (e. g. current speed is unknown)