Merge "Update tests to support floating search." into tm-qpr-dev am: 4a2bf3b1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21225840



Change-Id: I6ed74047393038c4abf3ddaafc0e14b811de17dc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>