RESTRICT AUTOMERGE Add cross-user check to streaming policy getters

Bug: 235822336
Bug: 235821829
Test: atest CtsDevicePolicyTestCases:android.devicepolicy.cts.NearbyAppStreamingPolicyTest
Test: atest CtsDevicePolicyTestCases:android.devicepolicy.cts.NearbyNotificationStreamingPolicyTest
Change-Id: If8c10b5742f256d0b954a89634f2ca3e41d46778
1 file changed