[automerger skipped] Support toggling Taskbar All Apps with 3P Launcher. am: c383204356 -s ours

am skip reason: Merged-In I26f0ed9e921beac762f3f9e6aaceb1002ad4801a with SHA-1 176f186a6d is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/27057905

Change-Id: I0323d6d5f9af93bebfbb34917fb5c661a13063d6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>