Update git submodules

* Update prebuilts/clang/host/linux-x86 from branch 'master'
  to fc19ef35d8f8ad00e9dd33f21ed94fe1d3c84b9f
  - Update prebuilt Clang to r365631.
    
    clang 9.0.6 (based on r365631) from build 5799447.
    
    Bug: http://b/131328001
    Test: N/A
    Change-Id: I3f18cac34f6af3b380f02db50fdadbb1492b99c0
    
1 file changed