Update prebuilt Clang to r365631c1 from Android.

The version we had was segfaulting.

Bug: 132420445
Change-Id: Icb45a6fe0b4e2166f7895e669df1157cec9fb4e0
diff --git a/linux-x64/clang/include/llvm/ADT/StringMap.h b/linux-x64/clang/include/llvm/ADT/StringMap.h
index d94e483..8a586fc 100644
--- a/linux-x64/clang/include/llvm/ADT/StringMap.h
+++ b/linux-x64/clang/include/llvm/ADT/StringMap.h
@@ -359,6 +359,11 @@
     return find(Key) == end() ? 0 : 1;
   }
 
+  template <typename InputTy>
+  size_type count(const StringMapEntry<InputTy> &MapEntry) const {
+    return count(MapEntry.getKey());
+  }
+
   /// insert - Insert the specified key/value pair into the map.  If the key
   /// already exists in the map, return false and ignore the request, otherwise
   /// insert it and return true.