Merge "Add flag that disables depth on overlay scroll" into tm-dev am: 8c656753

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17766312



Change-Id: Id951c79d8a00f2058f436451ca833fd61b03efef
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>