Connected sections for wallpaper and colors (2/3). am: a81df0d3e7

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/21148339

Change-Id: I26658e21cea26dd45981f6da1da1460805eac449
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>