[prebuilt] Update Clang toolchain

This is a re-land of the same toolchain as the last attempt. New warnings it generates have been fixed in the code. Change-Id: I60b7fe0f4e0118247bbc6d4eb4fa7a57e5d5cac0
2017-09-09 02:51:57 -07:00
commit 4cb8b1210c
@@ -1 +1 @@
-0f4246edb694883f68ed512494e36286c65417a6
+86d57720455e2d6aff2b48f9cea3ef77ab2af06a
@@ -1 +1 @@
-da06e6b0456f5e3d2bf990c9e0199f0846197949
+1a519bdf5b043338ced1acaa91ffd34574ba0a15