Chore: Update common-packer to the latest v0.16.6

Issue-ID: CIMAN-33
Change-Id: I84c1d1482810bb7e020cb6a56f51be16cbb57750
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>

diff --git a/packer/common-packer b/packer/common-packer
index c999f1f..7c33d31 160000 (submodule)
--- a/packer/common-packer
+++ b/packer/common-packer
@@ -1 +1 @@
-Subproject commit c999f1fa39bfd954cdc2d8aa85b6c5c972842f8f
+Subproject commit 7c33d312167c606c63f01de3d2cff4f4e313b4af