diff --git a/api/current.txt b/api/current.txt
index b9622346d6cb6..40b63b118fe58 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -16673,14 +16673,18 @@ package android.provider {
   }
 
   public static final class ContactsContract.StreamItems implements android.provider.BaseColumns android.provider.ContactsContract.StreamItemsColumns {
+    field public static final java.lang.String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/stream_item";
     field public static final android.net.Uri CONTENT_LIMIT_URI;
     field public static final android.net.Uri CONTENT_PHOTO_URI;
+    field public static final java.lang.String CONTENT_TYPE = "vnd.android.cursor.dir/stream_item";
     field public static final android.net.Uri CONTENT_URI;
     field public static final java.lang.String MAX_ITEMS = "max_items";
   }
 
   public static final class ContactsContract.StreamItems.StreamItemPhotos implements android.provider.BaseColumns android.provider.ContactsContract.StreamItemPhotosColumns {
     field public static final java.lang.String CONTENT_DIRECTORY = "photo";
+    field public static final java.lang.String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/stream_item_photo";
+    field public static final java.lang.String CONTENT_TYPE = "vnd.android.cursor.dir/stream_item_photo";
   }
 
   protected static abstract interface ContactsContract.StreamItemsColumns {
diff --git a/core/java/android/provider/ContactsContract.java b/core/java/android/provider/ContactsContract.java
index e205f97629bb2..e9221fe98859b 100644
--- a/core/java/android/provider/ContactsContract.java
+++ b/core/java/android/provider/ContactsContract.java
@@ -3023,6 +3023,16 @@ public final class ContactsContract {
         public static final Uri CONTENT_LIMIT_URI =
                 Uri.withAppendedPath(AUTHORITY_URI, "stream_items_limit");
 
+        /**
+         * The MIME type of a directory of stream items.
+         */
+        public static final String CONTENT_TYPE = "vnd.android.cursor.dir/stream_item";
+
+        /**
+         * The MIME type of a single stream item.
+         */
+        public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/stream_item";
+
         /**
          * Queries to {@link ContactsContract.StreamItems#CONTENT_LIMIT_URI} will
          * contain this column, with the value indicating the maximum number of
@@ -3050,6 +3060,17 @@ public final class ContactsContract {
              * The directory twig for this sub-table
              */
             public static final String CONTENT_DIRECTORY = "photo";
+
+            /**
+             * The MIME type of a directory of stream item photos.
+             */
+            public static final String CONTENT_TYPE = "vnd.android.cursor.dir/stream_item_photo";
+
+            /**
+             * The MIME type of a single stream item photo.
+             */
+            public static final String CONTENT_ITEM_TYPE
+                    = "vnd.android.cursor.item/stream_item_photo";
         }
     }