Unable to receive the broadcast from the sender.  I wrote the code exactly as given in the video. The log is as given below.

09-01 11:09:45.321     953-1762/? E/Drm? Failed to find drm plugin
09-01 11:09:45.322    2763-9178/com.google.android.gms.unstable W/DG.WV? Widevine DRM not supported on this device
    android.media.UnsupportedSchemeException: Failed to instantiate drm object.
            at android.media.MediaDrm.native_setup(Native Method)
            at android.media.MediaDrm.<init>(MediaDrm.java:215)
            at com.google.android.gms.droidguard.p.run(SourceFile:99)

09-01 11:23:07.324    1279-1295/system_process E/BluetoothAdapter? Bluetooth binder is null
09-01 11:23:07.325    1279-1295/system_process E/KernelCpuSpeedReader? Failed to read cpu-freq
    java.io.FileNotFoundException: /sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state: open failed: ENOENT (No such file or directory)
            at libcore.io.IoBridge.open(IoBridge.java:452)
            at java.io.FileInputStream.<init>(FileInputStream.java:76)
            at java.io.FileInputStream.<init>(FileInputStream.java:103)
            at java.io.FileReader.<init>(FileReader.java:66)
            at com.android.internal.os.KernelCpuSpeedReader.readDelta(KernelCpuSpeedReader.java:49)
            at com.android.internal.os.BatteryStatsImpl.updateCpuTimeLocked(BatteryStatsImpl.java:8003)
            at com.android.server.am.BatteryStatsService.updateExternalStats(BatteryStatsService.java:1364)
            at com.android.server.am.BatteryStatsService$BatteryStatsHandler.handleMessage(BatteryStatsService.java:125)
            at android.os.Handler.dispatchMessage(Handler.java:102)
            at android.os.Looper.loop(Looper.java:148)
            at android.os.HandlerThread.run(HandlerThread.java:61)
            at com.android.server.ServiceThread.run(ServiceThread.java:46)
     Caused by: android.system.ErrnoException: open failed: ENOENT (No such file or directory)

I dont understand anything from the log.