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: 3a9efed4 am: f72de7d1 am: 1572476b
Change-Id: I36390c8a821ea14d122bb9029c7fb2c63e7d37cb