Merge "Update folder preview and folder colors" into udc-dev am: e5021363 am: ae417f2e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23215755



Change-Id: I7d81269fc7276434f154a89c6976b727ddf50eaa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>