Merge "Focus on newly-added workspace items for accessibility." into sc-dev am: 2fd0be4b15 am: 2dd1321dbf

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14357544

Change-Id: I01e7f750ccc0a17ac3f9800b3a0154e4ce197d23