Introduce new MNC API version.

Change-Id: Ib40822e82ea389092727dfc1f2f9ada5d04f2e87
diff --git a/core/java/android/os/Build.java b/core/java/android/os/Build.java
index 2dfd919..e4b594a 100644
--- a/core/java/android/os/Build.java
+++ b/core/java/android/os/Build.java
@@ -597,6 +597,11 @@
          * Lollipop with an extra sugar coating on the outside!
          */
         public static final int LOLLIPOP_MR1 = 22;
+
+        /**
+         * M comes after L.
+         */
+        public static final int MNC = CUR_DEVELOPMENT;
     }
 
     /** The type of build, like "user" or "eng". */