Update clang prebuilts to clang-r365631 am: ffea8ae333 am: f5401527a3 am: 6e6f292737
am: b485fc24b6

Change-Id: Icf7fd497706de460ee44e70e0c5a9b161474389d
tree: 021a7447626934cb6730c0e55355a0116e4540e3
  1. darwin-x86/
  2. linux-x86/
  3. build-prebuilts.sh
  4. manifest.xml