Call CBS dump in dumpsys

import android.os.RemoteCallback;

import android.telephony.cdma.CdmaSmsCbProgramData;

import com.android.internal.util.FastPrintWriter;

import java.io.FileDescriptor;

import java.io.FileOutputStream;

import java.io.PrintWriter;

import java.util.List;

import java.util.function.Consumer;

        public @NonNull CharSequence getCellBroadcastAreaInfo(int slotIndex) {

            return CellBroadcastService.this.getCellBroadcastAreaInfo(slotIndex);

        }

        @Override

        protected void dump(FileDescriptor fd, PrintWriter fout, String[] args) {

            CellBroadcastService.this.dump(fd, fout, args);

        }

        @Override

        public void dump(FileDescriptor fd, String[] args) {

            PrintWriter pw = new FastPrintWriter(new FileOutputStream(fd));

            CellBroadcastService.this.dump(fd, pw, args);

        }

    }

}