Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 19493ec749d39407c90e841a2f3e503f6a03ecd7
  - Fix test coverage
    
    Fix license in test files
    
    Change-Id: I27207ca5b3e5482c9545c02de28eebdb599e6f76
    Issue-ID: SDC-2298
    Signed-off-by: talio <tali.orenbach@amdocs.com>
    
diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index 3313023..19493ec 160000
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit 3313023cf0e8c3461bbced47b2eb1f485d50dbf8
+Subproject commit 19493ec749d39407c90e841a2f3e503f6a03ecd7