- This will be visible only to apps with the NETWORK_SETTINGS
permissions (signature), and will be redacted for all other callers.
- This string is expected to be the same as set by
VpnService#setSession, and in general, VpnConfig.session. But it
will be a general API that Vpn.java can call when setting the
VpnTransportInfo.
- This string cannot be updated once the VPN NetworkAgent is connected.
Bug: 171872481
Test: atest ConnectivityServiceTest
atest VpnTransportInfoTest
atest android.net.cts.NetworkAgentTest
Change-Id: I8d09e25b83f7ee8be21ec9c9bd3c72a251f1370d
Merged-In: I8d09e25b83f7ee8be21ec9c9bd3c72a251f1370d
(cherry-picked from ag/14011912)
375d1f5904