Update git submodules

* Update frameworks/support from branch 'androidx-main'
  to bf457b1cd30f61d0d790d0e385130f0108ff0893
  - Merge "Create the camera-mlkit-vision artifact" into androidx-main
  - Create the camera-mlkit-vision artifact
    
    This artifact provides a helper class for using MLKit with CameraX. For details, see: go/camerax-mlkit-integration
    
    Relnote: create a new artifact for using MLKit with CameraX.
    
    Bug: 198984186
    Test: manual test and ./gradlew bOS
    Change-Id: Iab212bebeab0064b4f11497b398d8d33bdc9505e