[automerge] Fix Talkback speak pages for "Wallpapers/Basic colors" tab 2p: d7532c48b9 2p: b2998ed808

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/16996074

Bug: 219863524
Change-Id: I56adc850ed36bd50c97d22dd24e285c1f7e83824