Merge "[Thread] initial Thread network service" into main am: 01e6dadd1f am: e5f1122ec9

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2721333

Change-Id: I2b4edf402118a531ca4c3e98fc0076208051a535
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>