Update common-packer to latest master

Change-Id: Ia1d4db065eef30a4a2c2a418c456dda0d90097bb
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>

diff --git a/packer/common-packer b/packer/common-packer
index 27c20e0fdac63bf692054a2dc8b623505ffb6f76..ec01814071eaea55ea7b025308b58d3923897eb6 160000 (submodule)
--- a/packer/common-packer
+++ b/packer/common-packer
@@ -1 +1 @@
-Subproject commit 27c20e0fdac63bf692054a2dc8b623505ffb6f76
+Subproject commit ec01814071eaea55ea7b025308b58d3923897eb6