Merge "Carrier config KEY_CARRIER_SUPPORTS_TETHERING_BOOL" am: 61ca1475a4 am: d5097a2320 am: 96ff71d1a4 am: d11b5be7c3

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1964629

Change-Id: I82d4fb9953a5c0ef025000bfbb5287b1f249c3e2