change flex delay of scheduling scannerJob to remove a warning in logcat

        ComponentName jobService = new ComponentName( context, ScannerJob.class );

        JobInfo job = new JobInfo.Builder(ScannerJobId, jobService )

                .setPeriodic(1860000, 30000) //31 minutes and 30 seconds

                .setPeriodic(1860000, 300000) //31 minutes and 30 seconds

                .setPersisted(true)

                .setRequiredNetworkType( JobInfo.NETWORK_TYPE_ANY )

                .build();