Merge "Fixing while navication bar in all-apps in 3-button mode." into tm-qpr-dev am: bc7efd06

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21037713



Change-Id: I638100629f9f813ede4010f9b7d99bf49b9d3fde
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>