Replay route with rounded corners

Nobody has claimed this yet.

The new ReplayRouteMapper detects road edges with significant turns. The current route interpolator identifies corners, this ticket is to turn those corners into curves.

### B-spines in mapbox-java
- Add [bezier splines](http://turfjs.org/docs/#bezierSpline) to mapbox-java Turf implementation
- Add the splines to the smoothed route in the interpolator
- Design [ReplayRouteOptions](https://github.com/mapbox/mapbox-navigation-android/blob/4309b5c8aaf0535c49f256e089304d09eaa7b36c/libnavigation-core/src/main/java/com/mapbox/navigation/core/replay/route2/ReplayRouteOptions.kt#L16-L22) for maneuver turn radius

### Why is this needed
Right now the simulated driver stays on route, and takes an early turn. The early turn also has an [impact on reducing reroutes](https://github.com/mapbox/mapbox-navigation-android/pull/2936/files#r422266895). As our enhanced location gets better, we will also need to improve the simulated driver or it will have more reroutes.


### Nav native consideration
The enhanced location may want to smooth route edges. This could create a better experience for in ride navigation. cc: @mskurydin

Start with the ReplayRouteMapper and its current route interpolator, then read ReplayRouteOptions.kt and the mapbox-java Turf implementation. Review the bezier spline reference and the linked route interpolation context. Done means corners are smoothed into curves, with a maneuver turn-radius option and no early simulated turns.

Written by the indexing model from the issue text.