package version metadata for external/

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Change-Id: I68751d3b60fdd2fd6e2a72f2422b3d5392f1fcf8
diff --git a/README.version b/README.version
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index 0000000..31a869c
--- /dev/null
+++ b/README.version
@@ -0,0 +1,2 @@
+URL: http://www.quut.com/gsm/gsm-1.0.13.tar.gz
+Version: 1.0.13