Add createSetLinkNameMessage method at RtNetlinkLinkMessage

This CL mainly adds the createSetLinkNameMessage() method at the
RtNetlinkLinkMessage class, that creates a link message to rename the
network interface. The functionality is the same as
"ip link set $interface name NEW_NAME".

Bug: 364501824
Test: atest NetworkStaticLibTests
Change-Id: I6323bce1ece10f4437483214860d50cb7d29df8d
2 files changed