Dynamic or Zoom based on speed

[Archdoog]

At speeds above 25 mph/40 kph, our zoom level is too high to see upcoming maneuvers. I found that zooming out 2 increments on the button was the most ideal during several hours of driving on android. We should match iOS to this if needed.

Solution:

Subtract 2 from the default android zoom level and make sure iOS matches that new value.

[ianthetechie]

This will be a lot nicer with #89.

[ianthetechie]

@Archdoog this was expressed relative to some point in time whose values I no longer remember ;) Can you have a look again at where the defaults are relative to "optimal?"

[Archdoog]

In some PR I adjusted android (and probably matched iOS, though not sure). It's quite nice currently for automotive at around 40-50 mph and passable for lower and higher speed. This current Android value should absolutely remain as is for the fixed default automotive camera.

I'd say for dynamic we could probably zoom 1 or 2 increment in below 35 mph and out above 65 mph. I would expect this to need revision, but testing those values will probably illustrate pretty well if the values are ideal after some use.

Once we define a decent range we can decide if it's good or needs to be fancier.

[ianthetechie]

Sound good; thanks! I'll update the title on this ticket and start thinking about the interface for more dynamic customization.