Update git submodules

* Update docs/submodules/logging-analytics.git from branch 'master'
  to 53b6e1a6cea267a6ad48c1accc3371dd6dab4112
  - Merge "Added log line to indicate empty entity on responses in payload filter "
  - Added log line to indicate empty entity on responses in payload filter

    Issue-ID: LOG-1183
    Change-Id: I5e5f2cbbbddc0dada8940f5a4c553a6c9f315f06
    Signed-off-by: Brittany Plummer (bp896r) <bp896r@att.com>

diff --git a/docs/submodules/logging-analytics.git b/docs/submodules/logging-analytics.git
index 5584d65..53b6e1a 160000 (submodule)
--- a/docs/submodules/logging-analytics.git
+++ b/docs/submodules/logging-analytics.git
@@ -1 +1 @@
-Subproject commit 5584d658b6571124055dd63545f98aee3c0f9325
+Subproject commit 53b6e1a6cea267a6ad48c1accc3371dd6dab4112