Updated git submodules

Project: releng/builder master e05ebe5db2bfef9201d3c46a76af2b60d03c912d

Ensure apt is not locked on Ubuntu nodes

A background apt process locks /var/lib/dpkg/lock and causes apt
commands to fail. Therefore check if apt is locked before running
apt.

Errors:
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource
temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg), is
another process using

Change-Id: I3ced3711b26ebe9ecf5654c70d23f44e905c1f4c
Signed-off-by: Anil Belur <abelur@linuxfoundation.org>

diff --git a/docs/submodules/releng/builder b/docs/submodules/releng/builder
index 0861cc53ecb3b40c924d253f1cc90489fafe7d95..e05ebe5db2bfef9201d3c46a76af2b60d03c912d 160000 (submodule)
--- a/docs/submodules/releng/builder
+++ b/docs/submodules/releng/builder
@@ -1 +1 @@
-Subproject commit 0861cc53ecb3b40c924d253f1cc90489fafe7d95
+Subproject commit e05ebe5db2bfef9201d3c46a76af2b60d03c912d