Test VpnManager event for CATEGORY_EVENT_ALWAYS_ON_STATE_CHANGED

Bug: 225010642
Test: atest FrameworksNetTests:VpnTest
Change-Id: I078be4e00470efd9d7a2a87b40919116b99c83b8
(cherry picked from commit 0772c169b59e0536a68486a921f9144c5732faff)
Merged-In: I078be4e00470efd9d7a2a87b40919116b99c83b8
2 files changed