diff --git a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
index 5392257..dfc9aa8 100644
--- a/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
+++ b/services/core/java/com/android/server/wm/ActivityTaskManagerService.java
@@ -212,6 +212,7 @@
 import android.os.storage.IStorageManager;
 import android.os.storage.StorageManager;
 import android.provider.Settings;
+import android.service.dreams.DreamActivity;
 import android.service.voice.IVoiceInteractionSession;
 import android.service.voice.VoiceInteractionManagerInternal;
 import android.sysprop.DisplayProperties;
@@ -1231,6 +1232,40 @@
     }
 
     @Override
+    public boolean startDreamActivity(Intent intent) {
+        final ActivityInfo a = new ActivityInfo();
+        a.theme = com.android.internal.R.style.Theme_Dream;
+        a.exported = true;
+        a.name = DreamActivity.class.getName();
+
+        final WindowProcessController process = mProcessMap.getProcess(Binder.getCallingPid());
+
+        a.packageName = process.mInfo.packageName;
+        a.applicationInfo = process.mInfo;
+        a.processName = process.mInfo.processName;
+        a.uiOptions = process.mInfo.uiOptions;
+        a.taskAffinity = "android:" + a.packageName + "/dream";
+        a.enabled = true;
+        a.launchMode = ActivityInfo.LAUNCH_SINGLE_INSTANCE;
+
+        a.persistableMode = ActivityInfo.PERSIST_NEVER;
+        a.screenOrientation = ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED;
+        a.colorMode = ActivityInfo.COLOR_MODE_DEFAULT;
+        a.flags |= ActivityInfo.FLAG_EXCLUDE_FROM_RECENTS;
+
+        final long origId = Binder.clearCallingIdentity();
+        try {
+            getActivityStartController().obtainStarter(intent, "dream")
+                    .setActivityInfo(a)
+                    .setIsDream(true)
+                    .execute();
+            return true;
+        } finally {
+            Binder.restoreCallingIdentity(origId);
+        }
+    }
+
+    @Override
     public final WaitResult startActivityAndWait(IApplicationThread caller, String callingPackage,
             String callingFeatureId, Intent intent, String resolvedType, IBinder resultTo,
             String resultWho, int requestCode, int startFlags, ProfilerInfo profilerInfo,
@@ -2403,7 +2438,7 @@
         final ActivityStarter starter = getActivityStartController().obtainStarter(
                 null /* intent */, "moveTaskToFront");
         if (starter.shouldAbortBackgroundActivityStart(callingUid, callingPid, callingPackage, -1,
-                -1, callerApp, null, false, null)) {
+                -1, callerApp, null, false, false, null)) {
             if (!isBackgroundActivityStartsEnabled()) {
                 return;
             }