Merge "Color Picker Fragment Dark Mode Toggle (1/2)" into tm-qpr-dev am: 022637796e

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/ThemePicker/+/21444765

Change-Id: Icc08bf975edfcc3e474ca2a1535daa12a476c189
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>