Merge "[Search] Update AllApps header protection" into sc-qpr1-dev am: 832043d1c9 am: c09a130f89

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15748885

Change-Id: I0db516a5094406cf326830a819f14851aa2debe9