[clang-format] C# always regards && as a binary operator

[MyDeveloperDay]

LGTM, thank you

clang/lib/Format/TokenAnnotator.cpp

private:
   }
 
   /// Return the type of the given token assuming it is * or &.
   TokenType determineStarAmpUsage(const FormatToken &Tok, bool IsExpression,
                                   bool InTemplateArgument) {
     if (Style.Language == FormatStyle::LK_JavaScript)
       return TT_BinaryOperator;
 
+    // && in C# must be a binary operator.
+    if (Style.isCSharp() && Tok.is(tok::ampamp))
+      return TT_BinaryOperator;
+
     const FormatToken *PrevToken = Tok.getPreviousNonComment();
     if (!PrevToken)
       return TT_UnaryOperator;
 
     const FormatToken *NextToken = Tok.getNextNonComment();
     if (!NextToken ||
         NextToken->isOneOf(tok::arrow, tok::equal, tok::kw_const,
                            tok::kw_noexcept) ||

clang/unittests/Format/FormatTestCSharp.cpp

TEST_F(FormatTestCSharp, CSharpSpaces) {
   verifyFormat(R"(taskContext.Factory.Run(async () => doThing(args);)", Style);
   verifyFormat(R"(catch (TestException) when (innerFinallyExecuted))", Style);
   verifyFormat(R"(private float[,] Values;)", Style);
   verifyFormat(R"(Result this[Index x] => Foo(x);)", Style);
 
   verifyFormat(R"(char[,,] rawCharArray = MakeCharacterGrid();)", Style);
   verifyFormat(R"(var (key, value))", Style);
 
+  // `&&` is not seen as a reference.
+  verifyFormat(R"(A == typeof(X) && someBool)", Style);
+
   // Not seen as a C-style cast.
   verifyFormat(R"(//
 foreach ((A a, B b) in someList) {
 })",
                Style);
 
   Style.SpacesInSquareBrackets = true;
   verifyFormat(R"(private float[ , ] Values;)", Style);