Merge "Refactor all_apps.xml contents to all_apps_content.xml" into tm-qpr-dev am: 42faae4a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20584068



Change-Id: Ib3068d204441c7eb609f9686872d8f1a0e2c73c8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>