Optimize NsdManager logging to reduce noise

Only log NsdManager receive packet processing when DBG is true. Move
packet sending logs from ShareLog to Log.i(). This change reduces the
verbosity of ShareLog, allowing it to focus primarily on critical
information such as advertising registration.

Flag: EXEMPT logging only change
Test: TH
Change-Id: I6b73c42698d8ccfe5fe880c1509bdefdceb0973a

service-t/src/com/android/server/connectivity/mdns/MdnsInterfaceAdvertiser.java

@@ -443,7 +443,7 @@ public class MdnsInterfaceAdvertiser implements MulticastPacketReader.PacketHand
         // conflicting service is still probing and won't reply either.
         final MdnsReplyInfo answers = mRecordRepository.getReply(packet, srcCopy);
         // Dump the query packet.
-        if (DBG || answers != null) {
+        if (DBG && answers != null) {
             mSharedLog.v("Parsed packet with transactionId(" + packet.transactionId + "): "
                     + packet.questions.size() + " questions, "
                     + packet.answers.size() + " answers, "

service-t/src/com/android/server/connectivity/mdns/MdnsReplySender.java

@@ -28,6 +28,7 @@ import android.os.Looper;
 import android.os.Message;
 import android.util.ArrayMap;
 import android.util.ArraySet;
+import android.util.Log;
 
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.net.module.util.SharedLog;
@@ -55,6 +56,7 @@ import java.util.Set;
 public class MdnsReplySender {
     @VisibleForTesting
     static final int MSG_SEND = 1;
+    private static final String TAG = MdnsReplySender.class.getSimpleName();
     private static final int PACKET_NOT_SENT = 0;
     private static final int PACKET_SENT = 1;
 
@@ -282,7 +284,7 @@ public class MdnsReplySender {
                 return;
             }
 
-            mSharedLog.log("Sending " + replyInfo);
+            Log.i(TAG, "Sending " + replyInfo);
 
             final int flags = 0x8400; // Response, authoritative (rfc6762 18.4)
             final MdnsPacket packet = new MdnsPacket(flags,