Add CTS for isLogoutEnabled and getUserSesssionMessage

Test: cts-tradefed run singleCommand cts -m CtsDevicePolicyManagerTestCases --test com.android.cts.devicepolicy.DeviceOwnerTest#testUserSession
Bug: 78458938
Change-Id: I4570bebd5a121c3866137f473998446b2fda2dec
2 files changed