Merge "[Toast] Polish the layout of the QSB, tabs and header protection." into tm-dev am: 45c43c7058 am: 965cee039c am: ca1c6681de

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17636491

Change-Id: Ia1963074fc3025a7eb28343ef9011509f6fa6c44
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>