Revert "Importing the following changes from gmscore"

This reverts commit bff1cf7132aa783a19d7f4c61210cea4aa8f9890.

Reason for revert: Accidentially submitted

Change-Id: I8ebca56e908a9d790f1251b15ce7e3628bc2038c
diff --git a/service-t/src/com/android/server/connectivity/mdns/ExecutorProvider.java b/service-t/src/com/android/server/connectivity/mdns/ExecutorProvider.java
index 0eebc61..72b65e0 100644
--- a/service-t/src/com/android/server/connectivity/mdns/ExecutorProvider.java
+++ b/service-t/src/com/android/server/connectivity/mdns/ExecutorProvider.java
@@ -42,9 +42,6 @@
     /** Shuts down all the created {@link ScheduledExecutorService} instances. */
     public void shutdownAll() {
         for (ScheduledExecutorService executor : serviceTypeClientSchedulerExecutors) {
-            if (executor.isShutdown()) {
-                continue;
-            }
             executor.shutdownNow();
         }
     }
diff --git a/service-t/src/com/android/server/connectivity/mdns/MdnsDiscoveryManager.java b/service-t/src/com/android/server/connectivity/mdns/MdnsDiscoveryManager.java
index 92a26f1..39fceb9 100644
--- a/service-t/src/com/android/server/connectivity/mdns/MdnsDiscoveryManager.java
+++ b/service-t/src/com/android/server/connectivity/mdns/MdnsDiscoveryManager.java
@@ -238,7 +238,6 @@
         }
         if (perNetworkServiceTypeClients.isEmpty()) {
             // No discovery request. Stops the socket client.
-            sharedLog.i("All service type listeners unregistered; stopping discovery");
             socketClient.stopDiscovery();
         }
     }
diff --git a/service-t/src/com/android/server/connectivity/mdns/MdnsServiceTypeClient.java b/service-t/src/com/android/server/connectivity/mdns/MdnsServiceTypeClient.java
index 68b03d3..49a376c 100644
--- a/service-t/src/com/android/server/connectivity/mdns/MdnsServiceTypeClient.java
+++ b/service-t/src/com/android/server/connectivity/mdns/MdnsServiceTypeClient.java
@@ -332,7 +332,6 @@
 
     private void onResponseModified(@NonNull MdnsResponse response) {
         final String serviceInstanceName = response.getServiceInstanceName();
-        sharedLog.i("Handling response from service: " + serviceInstanceName);
         final MdnsResponse currentResponse =
                 instanceNameToResponse.get(serviceInstanceName);