Merge "Add delay after installing dummy app" into tm-qpr-dev am: 9e1f6002 am: e0e2b02a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20363621



Change-Id: I87647e4585d9eec544e1436c37b4ddde8d869ee7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>