Update prebuilt Clang to r416183b from Android.

https://android.googlesource.com/platform/prebuilts/clang/host/
linux-x86/+/06a71ddac05c22edb2d10b590e1769b3f8619bef

clang 12.0.5 (based on r416183b) from build 7284624.

Change-Id: I277a316abcf47307562d8b748b84870f31a72866
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/linux-x64/clang/include/llvm/ADT/DepthFirstIterator.h b/linux-x64/clang/include/llvm/ADT/DepthFirstIterator.h
index 11967f5..5bfea28 100644
--- a/linux-x64/clang/include/llvm/ADT/DepthFirstIterator.h
+++ b/linux-x64/clang/include/llvm/ADT/DepthFirstIterator.h
@@ -198,7 +198,7 @@
   // nodes that a depth first iteration did not find: ie unreachable nodes.
   //
   bool nodeVisited(NodeRef Node) const {
-    return this->Visited.count(Node) != 0;
+    return this->Visited.contains(Node);
   }
 
   /// getPathLength - Return the length of the path from the entry node to the