Merge "Move taskbar insets logic to TaskbarInsetsController" into tm-dev am: 74641da5b8

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17778391

Change-Id: I240925929ec5e061b1e8ab7c0071124e4068877e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>