Don't block the default route listener while calling `REGISTER_IP_ADDRESSES` #7108

Job	Run time
Prepare	4s
Generate relay list	2m 12s
Build native (x86_64, x86_64, x86_64-linux-android)	5m 35s
Build native (i686, x86, i686-linux-android)	7m 18s
Build native (aarch64, arm64-v8a, aarch64-linux-android)	5m 49s
Build native (armv7, armeabi-v7a, armv7-linux-androideabi)	5m 50s
Build app and run unit tests	17m 47s
Run instrumented tests (app)	3m 49s
Run instrumented tests (mockapi)	1m 23s
	49m 47s

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