test_gps : Add network notification support

Signed-off-by: Philippe De Swert <philippe.deswert@jollamobile.com>
test_gps : Add *incomplete* debug interface, change preferred accuracy

Signed-off-by: Philippe De Swert <philippe.deswert@jollamobile.com>
Add Xtra interface to gps test program

Signed-off-by: Philippe De Swert <philippe.deswert@jollamobile.com>
Wider implementation of the Android GPS api in the test program

Signed-off-by: Philippe De Swert <philippe.deswert@jollamobile.com>
Merge pull request #84 from philippedeswert/gps2

test_gps: Extend the api support in the test_gps application