audio service: log silenced recording in RecordingActivityMonitor

Add the silenced state of an audio recording client to RecordingEvent
logged by RecordingActivitymonitor.

Bug: 191040756
Bug: 192638296
Test: atest AudioRecordTest
Test: run app that records audio, then $adb shell appops set <UID> 27 2
Change-Id: I46be0ed6cd30590cdf52ee29367d1c0010a20a0f

services/core/java/com/android/server/audio/RecordingActivityMonitor.java

@@ -594,6 +594,7 @@ public final class RecordingActivityMonitor implements AudioSystem.AudioRecordin
         private final int mSession;
         private final int mSource;
         private final String mPackName;
+        private final boolean mSilenced;
 
         RecordingEvent(int event, int riid, AudioRecordingConfiguration config) {
             mRecEvent = event;
@@ -603,11 +604,13 @@ public final class RecordingActivityMonitor implements AudioSystem.AudioRecordin
                 mSession = config.getClientAudioSessionId();
                 mSource = config.getClientAudioSource();
                 mPackName = config.getClientPackageName();
+                mSilenced = config.isClientSilenced();
             } else {
                 mClientUid = -1;
                 mSession = -1;
                 mSource = -1;
                 mPackName = null;
+                mSilenced = false;
             }
         }
 
@@ -633,6 +636,7 @@ public final class RecordingActivityMonitor implements AudioSystem.AudioRecordin
                     .append(" uid:").append(mClientUid)
                     .append(" session:").append(mSession)
                     .append(" src:").append(MediaRecorder.toLogFriendlyAudioSource(mSource))
+                    .append(mSilenced ? " silenced" : " not silenced")
                     .append(mPackName == null ? "" : " pack:" + mPackName).toString();
         }
     }