Update to use the latest clang-2629532.

Bug: http://b/25642296
Change-Id: Ib6c94bc57f7145c1cc9b14338126132fc4648509
diff --git a/core/clang/versions.mk b/core/clang/versions.mk
index 7106899..96872c2 100644
--- a/core/clang/versions.mk
+++ b/core/clang/versions.mk
@@ -1,5 +1,5 @@
 ## Clang/LLVM release versions.
 
 LLVM_RELEASE_VERSION := 3.8
-LLVM_PREBUILTS_VERSION ?= clang-2577113
+LLVM_PREBUILTS_VERSION ?= clang-2629532
 LLVM_PREBUILTS_BASE ?= prebuilts/clang/host