Resume mission fixes

* Resume index adjust to previous coordinate command
* Takeoff always added to resume mission
* Remove camera id checks which are no longer part of spec
* Simplified de-dup logic

Survey fixes

Android: Add debuggable to manifest

Split internet test into separate DNS lookup and connection.

Intrument Widget alternate control: Fix broken settings dialog display

Stable: Buffer overrun in UAS.cc

Offline map: Use FlightMap as base

This way:
* GCS location is shown
* It follows same centering semantics of FlightMap
* Note: Vehicle is not shown

Parameter force save and default disabled in non-advanced mode

Fixes: Mission linux libs, Console save to file

Better handling of resume mission upload failures

Internet availability test fixes

Mission upload: Extra paranoia around write index list

Mission/Survey related fixes

* If new Survey is set to altitude fixed value then use mission default
altitude
* If the user applies a new altitude to the entire mission change
surveys to fixed altitude and apply altitude

This way if the user switches away from manual the altitude is preserved

Correct hiding of heading on TAKEOFF command

Plan: Update home position when loading plan after vehicle already connected