Merge "Update gesture navigation tutorial with new specs for foldable...

Merge "Update gesture navigation tutorial with new specs for foldable devices." into sc-v2-dev am: b4307ff8 am: 1f056c55

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15952947

Change-Id: I716bf7efcd18e2c543ab7a3ac1563c35b32c665c