Add new mms error for no data network (airplane mode or no mobile data)

b/18872094

Change-Id: Ia2e939fe91b6f80c192d601c80de551f173e5e6f
diff --git a/api/current.txt b/api/current.txt
index 1f86b03..24501f3 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -28541,6 +28541,7 @@
     field public static final int MMS_ERROR_HTTP_FAILURE = 4; // 0x4
     field public static final int MMS_ERROR_INVALID_APN = 2; // 0x2
     field public static final int MMS_ERROR_IO_ERROR = 5; // 0x5
+    field public static final int MMS_ERROR_NO_DATA_NETWORK = 8; // 0x8
     field public static final int MMS_ERROR_RETRY = 6; // 0x6
     field public static final int MMS_ERROR_UNABLE_CONNECT_MMS = 3; // 0x3
     field public static final int MMS_ERROR_UNSPECIFIED = 1; // 0x1