Move base classes to web_video_server_streamers library #158

Job	Run time
industrial_ci (kilted, testing)	3m 40s
industrial_ci (jazzy, main)	4m 52s
industrial_ci (kilted, main)	4m 8s
industrial_ci (humble, testing)	3m 29s
industrial_ci (jazzy, testing)	4m 22s
industrial_ci (rolling, testing)	3m 49s
industrial_ci (rolling, main)	4m 13s
industrial_ci (humble, main)	3m 27s
	32m 0s

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