Merge "[Thread] add NetworkCapability.NOT_METERED for Thread network" into main am: 8b15cc8f8e

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3016809

Change-Id: Id6fa499e9e4fb9509538a88e8a6eb5b66ef98686
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>