[Thread] Use SharedLog in ThreadNetworkService

This CL replaces all Log.i/e/w/d/wtf with SharedLog in ThreadNetworkService and its subcomponents.

Note that here are some necessary changes:
- Log.d() is changed to SharedLog.v()
- Only ERROR and WTF level of SharedLog supports Throwable. Some logging statements are changed slightly.

Bug: 351956873

Change-Id: I9c48381195fb3e96b7115ec2ebf229af048ea8de
6 files changed