Merge "Add header protection for Taskbar All Apps search bar." into udc-dev am: 64ee67c6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/22466105



Change-Id: I8386a64f2a7f09b8fefc2c7b83d3ffa842647170
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>