am c5bb05eb: Merge "Disable host clang only if WITHOUT_HOST_CLANG is set"
am c5bb05eb: Merge "Disable host clang only if WITHOUT_HOST_CLANG is set"

* commit 'c5bb05eb5e4e8a22ff9c1e96ddac72d3f95106a7':
  Disable host clang only if WITHOUT_HOST_CLANG is set

treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst,treadstoneproject/artinst