Merge "Notifies All Apps header when profile tab switches." into tm-qpr-dev...

Merge "Notifies All Apps header when profile tab switches." into tm-qpr-dev am: a2e9ce3b am: dc14f88b

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/19225205



Change-Id: I331275861c9817e72a8ff51e35a9cb7e3327ece4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>