Merge "Prevent arrow popup from going off screen bottom when below icon." into tm-dev am: 65df4506bf

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17707263

Change-Id: I25e8f81ce511d1847133f5559e2046393af22ec4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>