Fix local proxy not working if started before connecting #9037

Job	Run time
Prepare	5s
Generate relay list	1m 28s
Build native (x86_64, x86_64, x86_64-linux-android)	3m 29s
Build native (i686, x86, i686-linux-android)	3m 42s
Build native (aarch64, arm64-v8a, aarch64-linux-android)	3m 41s
Build native (armv7, armeabi-v7a, armv7-linux-androideabi)	3m 40s
Build app and run unit tests	11m 9s
Run instrumented tests (app)	5m 43s
Run instrumented tests (mockapi)	3m 2s
Run instrumented firebase tests	0s
	35m 59s

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