Update download-commands plugin

* "repo download" supports authentication

Change-Id: I71e278f2306deb169a4d4f387cb2b686956f4f69

plugins/download-commands

diff --git a/plugins/download-commands b/plugins/download-commands
index eaeb186..05975dd 160000
--- a/plugins/download-commands
+++ b/plugins/download-commands
@@ -1 +1 @@
-Subproject commit eaeb1862180782bd5f696c79379a909dce7320b7
+Subproject commit 05975dd6c8ca44de2e01cede16a94df49a3a825f