Upgrade common-packer to v0.4.2

Change-Id: I9fb99d7ee1de480e26c348fd68eacb49b51c7d0d
Signed-off-by: Vanessa Rene Valderrama <vvalderrama@linuxfoundation.org>

diff --git a/packer/common-packer b/packer/common-packer
index 1d5bbea..c024a25 160000 (submodule)
--- a/packer/common-packer
+++ b/packer/common-packer
@@ -1 +1 @@
-Subproject commit 1d5bbea3f4a9c037228a923e47dd76f70aeae2a9
+Subproject commit c024a2568d2c87e303a07ffaf7e6093096dbddbe