Upgrade common-packer to v0.7.0

Signed-off-by: Vanessa Rene Valderrama <vvalderrama@linuxfoundation.org>
Change-Id: Ib0d9af39e86e3a201b659ad481ade84023395eb3

diff --git a/packer/common-packer b/packer/common-packer
index 6d13061..e96974f 160000 (submodule)
--- a/packer/common-packer
+++ b/packer/common-packer
@@ -1 +1 @@
-Subproject commit 6d13061d653ffe84de00a904c6b49f4caaee2e30
+Subproject commit e96974fa52edb7d8e7f27d314155bd088255e07d