Update git submodules

* Update docs/submodules/sdc.git from branch 'master'
  to 768742ee00920426d9d81aef56dcd0298bf9f1d0
  - Remove powermock from ContextTracker

    - Remove powermock from ContextTrackerTest
    - Add package level constructor to ContextTracker to pass clear and put functions

    Issue-ID: SDC-3058
    Signed-off-by: Rodrigo Lima  <rodrigo.lima@yoppworks.com>
    Change-Id: I82519538b763b00f2768801f06929773bfb58013

diff --git a/docs/submodules/sdc.git b/docs/submodules/sdc.git
index 3a28b9a..768742e 160000 (submodule)
--- a/docs/submodules/sdc.git
+++ b/docs/submodules/sdc.git
@@ -1 +1 @@
-Subproject commit 3a28b9af8d08fc2cf8d9af9b38578fd034999dc2
+Subproject commit 768742ee00920426d9d81aef56dcd0298bf9f1d0