Merge "Adding flag for material U popup" into tm-qpr-dev am: 07bcfaa7

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20002183



Change-Id: I21e90e233e1ad09069028c98bc0d1189b9f87dd8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>