Merge "Clean up DarkUIInfoDialogFragment" into tm-dev am: 9ada0accef

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Settings/+/18669107

Change-Id: I493a08683c8f5ae0998f04fdcb987aead4d3fe5c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>