Update known diffs using geonames 2021-07-29 am: 716cad8834 am: 0b9c8df78e am: c32db41a29 am: dcf40ada2e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/GeoTZ/+/1864558

Change-Id: Ifaeec9b8d5fee30b8765ce61389e0f8590f1647a