WaypointManager: TimeOut implementation

Test method:
Waypoint preloaded (about 30 WPs)
Test #1
- connect radio with APM off
- change to Planning activity
- select Load from APM
- Time out in 3 Sec

- connect radio with APM On
- change to Planning activity
- select Load from APM
- OFF APM while loading
- Time out in 3 Sec