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

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

Change-Id: I5dec5daf5c056d54368791bd134426b5f0dcbbb1