Merge "Update smartspace and workspace text color always use black or white." into sc-dev am: 9d16d7f192 am: feacf13a75

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

Change-Id: I2dbfaf9aac13211d028f20e3f8f364dd925c07b8