Merge "Update gesture nav colors and animation for dark/light theming" into sc-dev am: d50d21b602 am: 66d2c4be93 am: 6390131e21

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14722085

Change-Id: I52aca0942edec8b5a47921b1686bc94c747f4f48