diff --git a/core/api/current.txt b/core/api/current.txt
index 627d39b9eaf21..7cf55112d6abf 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -34461,6 +34461,7 @@ package android.os {
     field public static final int P = 28; // 0x1c
     field public static final int Q = 29; // 0x1d
     field public static final int R = 30; // 0x1e
+    field public static final int S = 10000; // 0x2710
   }
 
   public final class Bundle extends android.os.BaseBundle implements java.lang.Cloneable android.os.Parcelable {
diff --git a/core/java/android/os/Build.java b/core/java/android/os/Build.java
index 1ff248f20f0a8..78ba7f0eec28b 100755
--- a/core/java/android/os/Build.java
+++ b/core/java/android/os/Build.java
@@ -1041,6 +1041,11 @@ public class Build {
          *
          */
         public static final int R = 30;
+
+        /**
+         * S.
+         */
+        public static final int S = CUR_DEVELOPMENT;
     }
 
     /** The type of build, like "user" or "eng". */