Update git submodules

* Update prebuilts/clang/host/linux-x86 from branch 'master'
  to f23a747bcac6b2194a9d0164de7ec0f943902a5e
  - Merge "Update OWNERS for everyone on android-llvm-dev."
  - Update OWNERS for everyone on android-llvm-dev.
    
    Test: N/A
    Change-Id: I350901a8dc3e52e04b0d3312b99ab83adb13f817
    
1 file changed