Merge "Update Gesture navigation tutorial to match new specs" into sc-dev am: ae2e5d9231 am: 2a594ef1d7 am: 7ed5cfc82e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15099479

Change-Id: Ib2b323dcc9615f84cd8dea3d04a1ae3587dc0b70