Update git submodules

* Update platform/hardware/interfaces from branch 'master'
  to 2617347b0b35db9f824c2e32e37b3abecab70fb2
  - Merge "Correct the offload capability and update comment"
  - Correct the offload capability and update comment
    
    - Add some comments to describe the supported scenario
    - Correct the config from mono to stereo, when only one device is
      connected, mono only need one audio channel, for stereo case,
      support 2 audio channels.
    
    Tag: #feature
    Bug: 203535499
    Bug: 150670922
    Test: make build
    Change-Id: I6dacca8965f48ed58506b63f8d3939afb6f5b1b6