Add test to verify null ProxyInfo in Ikev2VpnProfile

Bug: 244281603
Test: atest FrameworksNetTests
Change-Id: Ice195b60a0f62ae541ede9277c6e36f9c72b2dbb
(cherry picked from commit 715dc5b4475fb023afd2567c482107f8ab34f1b4)
Merged-In: Ice195b60a0f62ae541ede9277c6e36f9c72b2dbb
1 file changed