Scripting promote video-stream-information to an applet #41014

Job	Run time
build (base)	6m 27s
build (clang)	8m 23s
autotest (sitltest-rover)	18m 31s
autotest (sitltest-sailboat)	2m 40s
autotest (sitltest-balancebot)	7m 35s
	43m 36s

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