Update clang prebuilts to clang-r365631 am: ffea8ae333 am: f5401527a3
am: 6e6f292737

Change-Id: Ic8b393090db6fede879635b9103dc7d6022e313c
tree: 021a7447626934cb6730c0e55355a0116e4540e3
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml