ENH: Update commit of Autoscoper

List of Autoscoper changes:

$ git shortlog 75eb9ad5a..16e4606c9 --no-merges
Anthony Lombardi (6):
      STYLE: Refactor mayacam readers
      DOC: Fix incorrect statements in the camera calibration file specs
      ENH: Add VTKCam Reader
      ENH: Add Schema for vtkCamera JSON file
      ENH: Refactor VTK Cam loader for JSON files
      BUG: Fix incorrect variable name in VTKCamera loader

Jean-Christophe Fillion-Robin (7):
      COMP: Fix Camera.cpp build error including "algorithm" required for std::remove
      COMP: Fix -Wreturn-local-addr in Camera class
      COMP: Fix constness of "lookAt" function
      STYLE: Improve name consistency renaming "lookAt" to "calculateLookAtMatrix"
      COMP: Remove unused and undefined Camera::calculateRotationMatrix function
      COMP: Fix standalone build updating JsonCpp integration
      STYLE: Consistently indent Camera.cpp

SuperBuild/External_Autoscoper.cmake

@@ -31,7 +31,7 @@ if(NOT DEFINED ${proj}_DIR AND NOT ${SUPERBUILD_TOPLEVEL_PROJECT}_USE_SYSTEM_${p
 
   ExternalProject_SetIfNotDefined(
     Slicer_${proj}_GIT_TAG
-    "75eb9ad5ac1ab490b1bb1f8e0f97bd60d86f8a99"
+    "16e4606c95095f88d356678d9797320b9d969fea"
     QUIET
   )