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: I678a713c0df12af92fb3b5088aa3ccf07596f1d1
1 file changed