Merge "Remove tether_enable_select_all_prefix_ranges flag" am: a3728e97ca am: 0438fbe9ee

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2005315

Change-Id: I70da2fa5f7b4b55a8843e4b4c450e8ac7f12774c