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/Support/CodeGen.h b/linux-x64/clang/include/llvm/Support/CodeGen.h
index 3175b29..a3f423e 100644
--- a/linux-x64/clang/include/llvm/Support/CodeGen.h
+++ b/linux-x64/clang/include/llvm/Support/CodeGen.h
@@ -18,13 +18,14 @@
 
   // Relocation model types.
   namespace Reloc {
-  enum Model { Static, PIC_, DynamicNoPIC, ROPI, RWPI, ROPI_RWPI };
+    // Cannot be named PIC due to collision with -DPIC
+    enum Model { Static, PIC_, DynamicNoPIC, ROPI, RWPI, ROPI_RWPI };
   }
 
   // Code model types.
   namespace CodeModel {
     // Sync changes with CodeGenCWrappers.h.
-  enum Model { Tiny, Small, Kernel, Medium, Large };
+    enum Model { Tiny, Small, Kernel, Medium, Large };
   }
 
   namespace PICLevel {