Merge "Revise strings to up to date for tutorial improvement." into rvc-dev...
Merge "Revise strings to up to date for tutorial improvement." into rvc-dev am: a5a629c7 am: 1b626efa am: 67d2c673 am: 156250fd
Change-Id: I15528d868f21f0fe674a67fe359bbf034361c402