Fix AppErrorDialogTest failure

Fixes: 118944011
Test: atest AppErrorDialogTest#testCreateWorks

Change-Id: I1093bf9587b8c18ab1c5d4b10469c088ff552383
diff --git a/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java b/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java
index 8109b1c..1dfce51 100644
--- a/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/AppErrorDialogTest.java
@@ -26,6 +26,7 @@
 import androidx.test.filters.SmallTest;
 
 import com.android.server.appop.AppOpsService;
+import com.android.server.wm.ActivityTaskManagerService;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -62,13 +63,15 @@
                 return false;
             }
         });
+        mService.mActivityTaskManager = new ActivityTaskManagerService(mContext);
+        mService.mActivityTaskManager.initialize(null, null, mContext.getMainLooper());
     }
 
     @Test
     @UiThreadTest
     public void testCreateWorks() {
         AppErrorDialog.Data data = new AppErrorDialog.Data();
-        data.proc = new ProcessRecord(null, mContext.getApplicationInfo(), "name", 12345);
+        data.proc = new ProcessRecord(mService, mContext.getApplicationInfo(), "name", 12345);
         data.result = new AppErrorResult();
 
         AppErrorDialog dialog = new AppErrorDialog(mContext, mService, data);