Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to a1ec959e3f5f8639117a5134ffbfb59f7b542f80
  - Fixed various sonar identified code smells

    - introduced a few String constants,
    - removed unused code,
    - added @FunctionalInterface annotation,
    - made most fields private (when possible)

    Change-Id: If8c523125de6a5e5c756e18bd04efd548b19ba91
    Issue-ID: CLAMP-346
    Signed-off-by: p.borelowski <p.borelowski@partner.samsung.com>

diff --git a/docs/submodules/clamp.git b/docs/submodules/clamp.git
index 7c66285..a1ec959 160000 (submodule)
--- a/docs/submodules/clamp.git
+++ b/docs/submodules/clamp.git
@@ -1 +1 @@
-Subproject commit 7c662851d664e394ff197e9968864b53f1853f5b
+Subproject commit a1ec959e3f5f8639117a5134ffbfb59f7b542f80