Update git submodules

* Update prebuilts/clang/host/linux-x86 from branch 'master'
  to f8e856556909898bd35ee8eae829437721b5a3db
  - Update prebuilt Clang to r365631b.
    
    clang 9.0.7 (based on r365631b) from build 5873035.
    
    Bug: https://github.com/android/ndk/issues/1076
    Test: N/A
    Change-Id: I440dca35560fc0ad0a4c2fce565dc38829eaecb0
    
1 file changed