Use correct user id for permission check for instant foreground service

Test: cts-tradefed run cts-dev -m CtsAppSecurityHostTestCases
          -t android.appsecurity.cts.EphemeralTest#testStartForegrondService

bug:68275646

Change-Id: I196522c49ae8a7e0ec07bf631f04bae51e96db5b
1 file changed