Other minor formatting and stability improvements

* Make MainToolbarIndicators reusable by other views
* Change to font based ratio sizing

* Vehicle selection must be global control
* Disconnect controls must be associated with Vehicle

Android done.

UI Tweaks for all mobile platforms.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>

Map control use different border color based on map type

Removed incorrect Vehicle.altitudeWGS84

Plumb through initial object mode on Vehicle

- Also fix vehicle selector dropdown in toolbar

Selected flight mode is controller by firmware. Use selecting flight
mode cannot set the check, or it will be wrong if firmware declines
change.