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/CodeGen/PBQP/Math.h b/linux-x64/clang/include/llvm/CodeGen/PBQP/Math.h
index 8b014cc..099ba78 100644
--- a/linux-x64/clang/include/llvm/CodeGen/PBQP/Math.h
+++ b/linux-x64/clang/include/llvm/CodeGen/PBQP/Math.h
@@ -28,17 +28,17 @@
 public:
   /// Construct a PBQP vector of the given size.
   explicit Vector(unsigned Length)
-    : Length(Length), Data(llvm::make_unique<PBQPNum []>(Length)) {}
+    : Length(Length), Data(std::make_unique<PBQPNum []>(Length)) {}
 
   /// Construct a PBQP vector with initializer.
   Vector(unsigned Length, PBQPNum InitVal)
-    : Length(Length), Data(llvm::make_unique<PBQPNum []>(Length)) {
+    : Length(Length), Data(std::make_unique<PBQPNum []>(Length)) {
     std::fill(Data.get(), Data.get() + Length, InitVal);
   }
 
   /// Copy construct a PBQP vector.
   Vector(const Vector &V)
-    : Length(V.Length), Data(llvm::make_unique<PBQPNum []>(Length)) {
+    : Length(V.Length), Data(std::make_unique<PBQPNum []>(Length)) {
     std::copy(V.Data.get(), V.Data.get() + Length, Data.get());
   }
 
@@ -125,21 +125,21 @@
 public:
   /// Construct a PBQP Matrix with the given dimensions.
   Matrix(unsigned Rows, unsigned Cols) :
-    Rows(Rows), Cols(Cols), Data(llvm::make_unique<PBQPNum []>(Rows * Cols)) {
+    Rows(Rows), Cols(Cols), Data(std::make_unique<PBQPNum []>(Rows * Cols)) {
   }
 
   /// Construct a PBQP Matrix with the given dimensions and initial
   /// value.
   Matrix(unsigned Rows, unsigned Cols, PBQPNum InitVal)
     : Rows(Rows), Cols(Cols),
-      Data(llvm::make_unique<PBQPNum []>(Rows * Cols)) {
+      Data(std::make_unique<PBQPNum []>(Rows * Cols)) {
     std::fill(Data.get(), Data.get() + (Rows * Cols), InitVal);
   }
 
   /// Copy construct a PBQP matrix.
   Matrix(const Matrix &M)
     : Rows(M.Rows), Cols(M.Cols),
-      Data(llvm::make_unique<PBQPNum []>(Rows * Cols)) {
+      Data(std::make_unique<PBQPNum []>(Rows * Cols)) {
     std::copy(M.Data.get(), M.Data.get() + (Rows * Cols), Data.get());
   }