tree a32ef15c95e68fa00659ec81aacdc79bc7dd091f
parent 4a00da2054fd93cca898d218829c42f82a5ca7c1
author lucaslin <lucaslin@google.com> 1615481193 +0800
committer lucaslin <lucaslin@google.com> 1615481193 +0800

Add a new API to get the network ID range of IPSec tunnel interface

- Add a new API to get the network ID range of IPSec tunnel
interface.
- Use the new API in IpSecServiceTest to make sure the result is
the same. Follow-up commit will change the logic in
IpSecService#reserveNetId(), the modified test can ensure the
correctness of the new change.

Bug: 172183305
Test: atest FrameworksNetTests:IpSecServiceTest
Change-Id: Ic605e48941fc9d6482cdcd01a8adcdc9b6d586a6