Merge "Update smartspace and workspace text color always use black or white." into sc-dev am: 9d16d7f192

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14494141

Change-Id: Ib13259427f37a449397d1a0d2dc27a7c7fa28f01