move assistant to system API

Bug: 22455414
Change-Id: I2fbb37fceef3058bc70d540a58fdcd8af5e7a76d
diff --git a/api/current.txt b/api/current.txt
index dd9b5a1..521a2c36 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -34425,39 +34425,6 @@
     field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.ConditionProviderService";
   }
 
-  public abstract class NotificationAssistantService extends android.service.notification.NotificationListenerService {
-    ctor public NotificationAssistantService();
-    method public final void adjustImportance(java.lang.String, android.service.notification.NotificationAssistantService.Adjustment);
-    method public final void clearAnnotation(java.lang.String);
-    method public void onNotificationActionClick(java.lang.String, long, int);
-    method public void onNotificationClick(java.lang.String, long);
-    method public abstract android.service.notification.NotificationAssistantService.Adjustment onNotificationEnqueued(android.service.notification.StatusBarNotification, int, boolean);
-    method public void onNotificationRemoved(java.lang.String, long, int);
-    method public void onNotificationVisibilityChanged(java.lang.String, long, boolean);
-    method public final void setAnnotation(java.lang.String, android.app.Notification);
-    field public static final int REASON_APP_CANCEL = 8; // 0x8
-    field public static final int REASON_APP_CANCEL_ALL = 9; // 0x9
-    field public static final int REASON_DELEGATE_CANCEL = 2; // 0x2
-    field public static final int REASON_DELEGATE_CANCEL_ALL = 3; // 0x3
-    field public static final int REASON_DELEGATE_CLICK = 1; // 0x1
-    field public static final int REASON_DELEGATE_ERROR = 4; // 0x4
-    field public static final int REASON_GROUP_OPTIMIZATION = 13; // 0xd
-    field public static final int REASON_GROUP_SUMMARY_CANCELED = 12; // 0xc
-    field public static final int REASON_LISTENER_CANCEL = 10; // 0xa
-    field public static final int REASON_LISTENER_CANCEL_ALL = 11; // 0xb
-    field public static final int REASON_PACKAGE_BANNED = 7; // 0x7
-    field public static final int REASON_PACKAGE_CHANGED = 5; // 0x5
-    field public static final int REASON_PACKAGE_SUSPENDED = 15; // 0xf
-    field public static final int REASON_PROFILE_TURNED_OFF = 16; // 0x10
-    field public static final int REASON_TOPIC_BANNED = 14; // 0xe
-    field public static final int REASON_USER_STOPPED = 6; // 0x6
-    field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
-  }
-
-  public class NotificationAssistantService.Adjustment {
-    ctor public NotificationAssistantService.Adjustment(int, java.lang.CharSequence, android.net.Uri);
-  }
-
   public abstract class NotificationListenerService extends android.app.Service {
     ctor public NotificationListenerService();
     method public final void cancelAllNotifications();
diff --git a/api/system-current.txt b/api/system-current.txt
index ef4841e..803fbeb 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -36839,13 +36839,11 @@
   public abstract class NotificationAssistantService extends android.service.notification.NotificationListenerService {
     ctor public NotificationAssistantService();
     method public final void adjustImportance(java.lang.String, android.service.notification.NotificationAssistantService.Adjustment);
-    method public final void clearAnnotation(java.lang.String);
     method public void onNotificationActionClick(java.lang.String, long, int);
     method public void onNotificationClick(java.lang.String, long);
     method public abstract android.service.notification.NotificationAssistantService.Adjustment onNotificationEnqueued(android.service.notification.StatusBarNotification, int, boolean);
     method public void onNotificationRemoved(java.lang.String, long, int);
     method public void onNotificationVisibilityChanged(java.lang.String, long, boolean);
-    method public final void setAnnotation(java.lang.String, android.app.Notification);
     field public static final int REASON_APP_CANCEL = 8; // 0x8
     field public static final int REASON_APP_CANCEL_ALL = 9; // 0x9
     field public static final int REASON_DELEGATE_CANCEL = 2; // 0x2
diff --git a/api/test-current.txt b/api/test-current.txt
index 80d82c3..140f1b8 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -34440,39 +34440,6 @@
     field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.ConditionProviderService";
   }
 
-  public abstract class NotificationAssistantService extends android.service.notification.NotificationListenerService {
-    ctor public NotificationAssistantService();
-    method public final void adjustImportance(java.lang.String, android.service.notification.NotificationAssistantService.Adjustment);
-    method public final void clearAnnotation(java.lang.String);
-    method public void onNotificationActionClick(java.lang.String, long, int);
-    method public void onNotificationClick(java.lang.String, long);
-    method public abstract android.service.notification.NotificationAssistantService.Adjustment onNotificationEnqueued(android.service.notification.StatusBarNotification, int, boolean);
-    method public void onNotificationRemoved(java.lang.String, long, int);
-    method public void onNotificationVisibilityChanged(java.lang.String, long, boolean);
-    method public final void setAnnotation(java.lang.String, android.app.Notification);
-    field public static final int REASON_APP_CANCEL = 8; // 0x8
-    field public static final int REASON_APP_CANCEL_ALL = 9; // 0x9
-    field public static final int REASON_DELEGATE_CANCEL = 2; // 0x2
-    field public static final int REASON_DELEGATE_CANCEL_ALL = 3; // 0x3
-    field public static final int REASON_DELEGATE_CLICK = 1; // 0x1
-    field public static final int REASON_DELEGATE_ERROR = 4; // 0x4
-    field public static final int REASON_GROUP_OPTIMIZATION = 13; // 0xd
-    field public static final int REASON_GROUP_SUMMARY_CANCELED = 12; // 0xc
-    field public static final int REASON_LISTENER_CANCEL = 10; // 0xa
-    field public static final int REASON_LISTENER_CANCEL_ALL = 11; // 0xb
-    field public static final int REASON_PACKAGE_BANNED = 7; // 0x7
-    field public static final int REASON_PACKAGE_CHANGED = 5; // 0x5
-    field public static final int REASON_PACKAGE_SUSPENDED = 15; // 0xf
-    field public static final int REASON_PROFILE_TURNED_OFF = 16; // 0x10
-    field public static final int REASON_TOPIC_BANNED = 14; // 0xe
-    field public static final int REASON_USER_STOPPED = 6; // 0x6
-    field public static final java.lang.String SERVICE_INTERFACE = "android.service.notification.NotificationAssistantService";
-  }
-
-  public class NotificationAssistantService.Adjustment {
-    ctor public NotificationAssistantService.Adjustment(int, java.lang.CharSequence, android.net.Uri);
-  }
-
   public abstract class NotificationListenerService extends android.app.Service {
     ctor public NotificationListenerService();
     method public final void cancelAllNotifications();
diff --git a/core/java/android/service/notification/NotificationAssistantService.java b/core/java/android/service/notification/NotificationAssistantService.java
index a56e030..fb58f4e 100644
--- a/core/java/android/service/notification/NotificationAssistantService.java
+++ b/core/java/android/service/notification/NotificationAssistantService.java
@@ -45,7 +45,9 @@
  *         <action android:name="android.service.notification.NotificationAssistantService" />
  *     </intent-filter>
  * &lt;/service></pre>
+ * @hide
  */
+@SystemApi
 public abstract class NotificationAssistantService extends NotificationListenerService {
     private static final String TAG = "NotificationAssistant";
 
@@ -210,29 +212,6 @@
         }
     }
 
-    /**
-     * Add an annotation to a an existing notification. The delete intent will
-     * be fired when the host notification is deleted, or when this annotation
-     * is removed or replaced.
-     *
-     * @param key the key of the notification to be annotated
-     * @param annotation the new annotation object
-     */
-    public final void setAnnotation(String key, Notification annotation)
-    {
-        // TODO: pack up the annotation and send it to the NotificationManager.
-    }
-
-    /**
-     * Remove the annotation from a notification.
-     *
-     * @param key the key of the notification to be cleansed of annotatons
-     */
-    public final void clearAnnotation(String key)
-    {
-        // TODO: ask the NotificationManager to clear the annotation.
-    }
-
     private class NotificationAssistantWrapper extends NotificationListenerWrapper {
         @Override
         public void onNotificationEnqueued(IStatusBarNotificationHolder sbnHolder,
diff --git a/core/java/android/service/notification/NotificationListenerService.java b/core/java/android/service/notification/NotificationListenerService.java
index ed90e79..7ff883e 100644
--- a/core/java/android/service/notification/NotificationListenerService.java
+++ b/core/java/android/service/notification/NotificationListenerService.java
@@ -695,7 +695,7 @@
     /**
      * Request that the listener be rebound, after a previous call to (@link requestUnbind).
      *
-     * <P>This method will fail for assistants that have
+     * <P>This method will fail for listeners that have
      * not been granted the permission by the user.
      *
      * <P>The service should wait for the {@link #onListenerConnected()} event
@@ -1022,8 +1022,7 @@
         }
 
         /**
-         * If the importance has been overriden by user preference, or by a
-         * {@link NotificationAssistantService}, then this will be non-null,
+         * If the importance has been overriden by user preference, then this will be non-null,
          * and should be displayed to the user.
          *
          * @return the explanation for the importance, or null if it is the natural importance