Upgrade common-packer to v0.4.3

Change-Id: I7da92f5751f285427c9af1f2397f7eb7773c59a4
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>

diff --git a/packer/common-packer b/packer/common-packer
index c024a25..d5fc82e 160000 (submodule)
--- a/packer/common-packer
+++ b/packer/common-packer
@@ -1 +1 @@
-Subproject commit c024a2568d2c87e303a07ffaf7e6093096dbddbe
+Subproject commit d5fc82ea247c96744ac7610476f5df10614f3668