diff --git a/core/api/current.txt b/core/api/current.txt
index b03341423b23c..1108f01536a42 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -34834,6 +34834,7 @@ package android.provider {
   }
 
   public static final class ContactsContract.Settings implements android.provider.ContactsContract.SettingsColumns {
+    field public static final String ACTION_SET_DEFAULT_ACCOUNT = "android.provider.action.SET_DEFAULT_ACCOUNT";
     field public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/setting";
     field public static final String CONTENT_TYPE = "vnd.android.cursor.dir/setting";
     field public static final android.net.Uri CONTENT_URI;
diff --git a/core/java/android/provider/ContactsContract.java b/core/java/android/provider/ContactsContract.java
index b3d60a58410f5..570d73d4293b2 100644
--- a/core/java/android/provider/ContactsContract.java
+++ b/core/java/android/provider/ContactsContract.java
@@ -8588,6 +8588,15 @@ public final class ContactsContract {
          * Type: INTEGER
          */
         public static final String UNGROUPED_WITH_PHONES = "summ_phones";
+
+        /**
+         * Flag indicating if the account is the default account for new contacts. At most one
+         * account has this flag set at a time. It can only be set to 1 on a row with null data set.
+         * <p>
+         * Type: INTEGER (boolean)
+         * @hide
+         */
+        String IS_DEFAULT = "x_is_default";
     }
 
     /**
@@ -8681,6 +8690,13 @@ public final class ContactsContract {
          * The MIME-type of {@link #CONTENT_URI} providing a single setting.
          */
         public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/setting";
+
+        /**
+         * Action used to launch the UI to set the default account for new contacts.
+         */
+        @SdkConstant(SdkConstantType.ACTIVITY_INTENT_ACTION)
+        public static final String ACTION_SET_DEFAULT_ACCOUNT =
+                "android.provider.action.SET_DEFAULT_ACCOUNT";
     }
 
     /**