package version metadata for external/

This will be used for automated notification of external vulnerability
reports.

Change-Id: I1887e301fd85602a1551bee3131eb73048b66579
diff --git a/README.version b/README.version
new file mode 100644
index 0000000..1cd4978
--- /dev/null
+++ b/README.version
@@ -0,0 +1,3 @@
+URL: https://github.com/googlei18n/libphonenumber/archive/libphonenumber-7.0.2.tar.gz
+Version: 7.0.2
+BugComponent: 24949