Update git submodules

* Update frameworks/support from branch 'androidx-master-dev'
  to cb8fec94b705257adb5810d6b08fe9fa139a331f
  - Merge "Create SpeechRecognizer in SearchFragment only when it is available" into androidx-master-dev
  - Create SpeechRecognizer in SearchFragment only when it is available
    
    In case Speechrecognizer is not available make the SpeechOrb non
    focusable.
    
    Test: Added focus handling related unit tests and tested the sample
    manully on an aosp cuttlefish instance.
    
    Bug: 169936953
    
    Change-Id: I96637b234072fe2ba5a8734a899a4aaf45f68a99