Update git submodules

* Update plugins/download-commands from branch 'master'
  - Don't put \n inside a markdown link
    
    Change-Id: Ie8ac4e9f1106340037074645a2811c5044d31894
    
diff --git a/plugins/download-commands b/plugins/download-commands
index bdc22b1..3fb4fb6 160000
--- a/plugins/download-commands
+++ b/plugins/download-commands
@@ -1 +1 @@
-Subproject commit bdc22b1aa9670548828586d8c022c153dc05d400
+Subproject commit 3fb4fb63317b6004761d1fea98a8f4d288d95409