Provided one global DeviceConnector instance. Moved typedefs from uti… #41

Job	Run time
spdx / check-spdx-headers	3s
pre-commit / pre-commit	31s
build-and-test / build-image	6m 8s
build-and-test / build-and-run-tests (n150, run)	16m 8s
build-and-test / build-and-run-tests (n300, run)	13m 4s
	35m 54s

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