Merge "Account for last animated-to-sleep state when calculating nav visibility" into sc-qpr1-dev am: ac32f8b813

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15838491

Change-Id: I3c1c2e9d52dff6494be6040ff68f57d8f483d31b