chore: Add support for FDv2 fallback and recovery. (#113) #204

Job	Run time
build-test-java-server-sdk-windows (2.9.0)	5m 36s
build-test-java-server-sdk-redis-store (2.9.0)	52s
build-test-java-server-sdk-windows (3.0.0)	1m 26s
build-test-java-server-sdk-redis-store (3.0.0)	4m 36s
	12m 30s

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