Merge "Check taskbar stash state for hover only on hover events." into udc-qpr-dev am: bd4e77ccf7

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24420598

Change-Id: I42f9e17bd7123e116457b5758372f67d5f852316
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>