ADT/Tools version check set to 22.6.1

Change-Id: I4ca7e5c5ab3d44cd2ccfc5ef26d0382c633d308a
diff --git a/files/plugin.prop b/files/plugin.prop
index afa9faa..17b09f4 100644
--- a/files/plugin.prop
+++ b/files/plugin.prop
@@ -1,3 +1,3 @@
 # begin plugin.prop
-plugin.version=22.0.0
+plugin.version=22.6.1
 # end plugin.prop
\ No newline at end of file