Add import endpoint for history contents from library #29635

Job	Run time
build-client / build-client	9m 46s
setup-selenium / setup_chromedriver	8s
Test (3.8, 0)	42m 43s
Test (3.8, 1)	56m 17s
Test (3.8, 2)	52m 0s
	2h 40m 54s

Provide feedback