Restore postStartCommand.sh for backward compatibility (#93) #834

Job	Run time
Run unit tests (setup)	29s
Run unit tests (grpc-interface-support)	34s
Run unit tests (vehicle-model-lifecycle)	32s
Run Integration Test (python, setup)	1m 30s
Run linters	15s
Run unit tests (sdk-installer)	37s
Run Integration Test (python, grpc-interface-support)	1m 23s
Run unit tests (build-system/cpp-cmake-conan)	29s
Run Integration Test (python, vehicle-model-lifecycle)	54s
Run Integration Test (python, sdk-installer)	1m 8s
Run Integration Test (python, build-system/cpp-cmake-conan)	1m 4s
Run Integration Test (cpp, setup)	3m 1s
Run Integration Test (cpp, grpc-interface-support)	3m 31s
Run Integration Test (cpp, vehicle-model-lifecycle)	3m 26s
Run Integration Test (cpp, sdk-installer)	3m 4s
Run Integration Test (cpp, build-system/cpp-cmake-conan)	2m 56s
	24m 53s

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