Merge "Update snackbar color" into sc-dev am: 48ec126d8b am: d3f63d9565 am: 743596fb49

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15129885

Change-Id: I6b6d79f9487c30ab9f1f7b12fdb7f0cd46a70402