Update git submodules

* Update docs/submodules/ccsdk/apps.git from branch 'master'
  to ec939496820c47e41630b1572e5002c4c4d8da7b
  - Naming micro-service - upgrade to spring-boot-2.

    This contains all the changes to upgrade this micro-service to spring-boot-2 and spring-5, and is a pre-requisite for the changes related to policy.

    Issue-ID: CCSDK-1307
    Signed-off-by: bt2983 <bt2983@att.com>
    Change-Id: Ie35df3bebac958b50c2c4635080c06d68f887a8e

diff --git a/docs/submodules/ccsdk/apps.git b/docs/submodules/ccsdk/apps.git
index 9d3cc4f..ec93949 160000 (submodule)
--- a/docs/submodules/ccsdk/apps.git
+++ b/docs/submodules/ccsdk/apps.git
@@ -1 +1 @@
-Subproject commit 9d3cc4fdc90e64d2c8977d5537f915afbc1dce58
+Subproject commit ec939496820c47e41630b1572e5002c4c4d8da7b