Merge "Revert "Use clang for libhwui"" into mnc-dr-dev am: 1e1fbd804b am: f8635c2e04 am: 26f50df754
am: 392b0926aa  -s ours

* commit '392b0926aa19ae3856bfddbbeeeb7639f051a86b':
  Revert "Use clang for libhwui"