package version metadata for external/

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Change-Id: Ida16ac8485e9b81a2e567561fc5656c20db32500
diff --git a/README.version b/README.version
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--- /dev/null
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+URL: https://code.google.com/p/doclava/downloads/detail?name=doclava-1.0.6-bundle.zip&can=2&q=
+Version: 1.0.6
+BugComponent: 27745