Merge "Fix overview clear all tasks button text color." into sc-v2-dev am: 766549a4ca am: 6130758570

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/16118174

Change-Id: I56d5244c52abb0bb57e6b893ea48c69a26161667