Chore: Update common-packer to the latest v0.16.4

Change-Id: Ia73560b3f8630de1cc400728a8bcdee16d427b22
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>

diff --git a/packer/common-packer b/packer/common-packer
index 8e2583ddabc199ee14e8ca0f53ecaa67690abe62..300d3eeb4a08af529f84df195069883386af97a7 160000 (submodule)
--- a/packer/common-packer
+++ b/packer/common-packer
@@ -1 +1 @@
-Subproject commit 8e2583ddabc199ee14e8ca0f53ecaa67690abe62
+Subproject commit 300d3eeb4a08af529f84df195069883386af97a7