Merge "Add tests for LPH override for 3 button mode Taskbar." into udc-qpr-dev am: 3289e4fa

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24607784



Change-Id: I87cd79905c5febcd0391d75b9756522ad3d1ba34
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>