Merge "Add modal action for grid only overview." into tm-qpr-dev am: c6c33dd1 am: 322c54f1

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21674620



Change-Id: I70497e4c99404a7e120b2193fae3de1eea39cf31
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>