Update git submodules

* Update docs/submodules/optf/has.git from branch 'master'
  to 1240eab452ba919a32458e29c78d5c1c7475151c
  - Adding Arthur as a committer
    
    Issue-ID: OPTFRA-682
    Change-Id: I46b3702b68d79fcaeec0eee4b976ebda18f69a72
    Signed-off-by: Shankar Narayanan <snarayanan@research.att.com>
    
diff --git a/docs/submodules/optf/has.git b/docs/submodules/optf/has.git
index 93ae0cd..1240eab 160000
--- a/docs/submodules/optf/has.git
+++ b/docs/submodules/optf/has.git
@@ -1 +1 @@
-Subproject commit 93ae0cde9d5f0e9858317922dec4f15b2767bb49
+Subproject commit 1240eab452ba919a32458e29c78d5c1c7475151c