Update git submodules

* Update platform/external/autotest from branch 'master'
  to 9a51ead270a6ab8487ea4365bf46894644da30af
  - moblab: remove reference to WiMAX in the shill reorder script.
    am: 85577419db
    
    Change-Id: I8dcff190684e348f09a9c6f33b4e50e6895b1ebd
    
  - moblab: remove reference to WiMAX in the shill reorder script.
    
    The orignal of this forked script was changed in this way
    in http://crrev.com/c/1582188/.
    
    BUG=b:135241547
    TEST=reorder-services-moblab.sh
    
    Change-Id: I5b839ecbd9341cc1c5b412a68e0dadf90af9a7eb
    Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/1659795
    Tested-by: Kazuhiro Inaba <kinaba@chromium.org>
    Commit-Queue: Kazuhiro Inaba <kinaba@chromium.org>
    Reviewed-by: Keith Haddow <haddowk@chromium.org>
    Auto-Submit: Kazuhiro Inaba <kinaba@chromium.org>
    

* Update platform/superproject from branch 'master'
  to 9484aedf81aefcf768e9e7bf05a04942b6a5eca9
  - Update git submodules
    
    * Update external/autotest from branch 'master'
      to 9a51ead270a6ab8487ea4365bf46894644da30af
      - moblab: remove reference to WiMAX in the shill reorder script.
        am: 85577419db
        
        Change-Id: I8dcff190684e348f09a9c6f33b4e50e6895b1ebd
        
      - moblab: remove reference to WiMAX in the shill reorder script.
        
        The orignal of this forked script was changed in this way
        in http://crrev.com/c/1582188/.
        
        BUG=b:135241547
        TEST=reorder-services-moblab.sh
        
        Change-Id: I5b839ecbd9341cc1c5b412a68e0dadf90af9a7eb
        Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/autotest/+/1659795
        Tested-by: Kazuhiro Inaba <kinaba@chromium.org>
        Commit-Queue: Kazuhiro Inaba <kinaba@chromium.org>
        Reviewed-by: Keith Haddow <haddowk@chromium.org>
        Auto-Submit: Kazuhiro Inaba <kinaba@chromium.org>
        
2 files changed