Not working in Andorid 9.0

[maheshratibpal]

When i am trying to join any room i am getting below issue.can you provide how to reslove below issue

.appspot.apprtc E/CpuMonitor: Cannot open /proc/stat for reading
java.io.FileNotFoundException: /proc/stat (Permission denied)
at java.io.FileInputStream.open0(Native Method)
at java.io.FileInputStream.open(FileInputStream.java:231)
at java.io.FileInputStream.(FileInputStream.java:165)
at java.io.FileInputStream.(FileInputStream.java:112)
at java.io.FileReader.(FileReader.java:58)
at org.appspot.apprtc.CpuMonitor.readProcStat(CpuMonitor.java:477)
at org.appspot.apprtc.CpuMonitor.sampleCpuUtilization(CpuMonitor.java:366)
at org.appspot.apprtc.CpuMonitor.cpuUtilizationTask(CpuMonitor.java:217)
at org.appspot.apprtc.CpuMonitor.access$000(CpuMonitor.java:72)
at org.appspot.apprtc.CpuMonitor$1.run(CpuMonitor.java:211)