Move access method testing logic to `mullvad-daemon` #8491

Job	Run time
Prepare	4s
Generate relay list	1m 26s
Build native (x86_64, x86_64, x86_64-linux-android)	3m 33s
Build native (i686, x86, i686-linux-android)	3m 47s
Build native (aarch64, arm64-v8a, aarch64-linux-android)	3m 38s
Build native (armv7, armeabi-v7a, armv7-linux-androideabi)	3m 48s
Build app and run unit tests	11m 10s
Run instrumented tests (app)	4m 49s
Run instrumented tests (mockapi)	1m 35s
Run instrumented firebase tests	0s
	33m 50s

Provide feedback