Merge "Add flag for 'Improve widget picker UX on large display form factor'" into tm-qpr-dev am: e779a8c783 am: 9b30b84879

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20341701

Change-Id: I7f4c1c4f43d2132714a98cd3429e7413dbd358b7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>