RESTRICT AUTOMERGE: Not relevant on U version - Shutdown created ScheduledExecutor when connector is destroyed.

Test: atest CtsDevicePolicyTestCases
Bug: 237047860
Change-Id: Ie42445fe11f94a62a7b725e3f29ebd95dee96fd4
diff --git a/sdk/src/main/java/com/google/android/enterprise/connectedapps/AbstractProfileConnector.java b/sdk/src/main/java/com/google/android/enterprise/connectedapps/AbstractProfileConnector.java
index cc71c7b..dd84c7d 100644
--- a/sdk/src/main/java/com/google/android/enterprise/connectedapps/AbstractProfileConnector.java
+++ b/sdk/src/main/java/com/google/android/enterprise/connectedapps/AbstractProfileConnector.java
@@ -38,6 +38,7 @@
 
   private final Context context;
   private final ScheduledExecutorService scheduledExecutorService;
+  private final boolean createdScheduledExecutorService;
   private final ConnectionBinder binder;
   private final String serviceClassName;
   private final @Nullable ProfileType primaryProfileType;
@@ -50,8 +51,10 @@
     }
     if (builder.scheduledExecutorService == null) {
       scheduledExecutorService = Executors.newSingleThreadScheduledExecutor();
+      createdScheduledExecutorService = true;
     } else {
       scheduledExecutorService = builder.scheduledExecutorService;
+      createdScheduledExecutorService = false;
     }
 
     if (builder.binder == null) {
@@ -71,6 +74,13 @@
   }
 
   @Override
+  protected void finalize() throws Throwable {
+    if (createdScheduledExecutorService) {
+      scheduledExecutorService.shutdownNow();
+    }
+  }
+
+  @Override
   public void startConnecting() {
     if (VERSION.SDK_INT < VERSION_CODES.O) {
       return;