Merge "Update folder leave-behind color for taskbar" into tm-qpr-dev am: 0165aa82c6 am: f497c59b5e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/21968430

Change-Id: Ie80383899e7881512b4434f72a43df7328f36113
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>