Update git submodules

* Update platform/build/soong from branch 'master'
  to 5974423b06df184d3c5a7a00852368b50c408f51
  - Merge "Add package for printing starlark formatted data"
  - Add package for printing starlark formatted data
    
    Bug: 216168792
    Test: build/bazel/ci/bp2build.sh
    Change-Id: I3a06b19396f7ffe1c638042cda7e731dd840f1d6
    
  - Merge "Use only single dash for tidy flags"
  - Use only single dash for tidy flags
    
    * Work around RBE preprocessor bug, which rejects double dash flags.
    
    Bug: 217778010
    Test: make tidy-soong_subset
    Change-Id: Ic7c0a95ae7afefb49cc9d124fd3c9f38fe2e0f56