Update SDK release files.

(cherry picked from commit 93ebf9bf54c3e052a49f68a221b57577e5f602ef)

Change-Id: I3d70a48286674d43a7af6212dabce7053e2e1c7c
diff --git a/files/plugin.prop b/files/plugin.prop
index 5bafefa..6c58561 100644
--- a/files/plugin.prop
+++ b/files/plugin.prop
@@ -1,3 +1,3 @@
 # begin plugin.prop
-plugin.version=17.0.0
+plugin.version=20.0.0
 # end plugin.prop
\ No newline at end of file