Fix handling of inline JS types in DDC.

pkg/analyzer/lib/src/generated/static_type_analyzer.dart

Index: pkg/analyzer/lib/src/generated/static_type_analyzer.dart
diff --git a/pkg/analyzer/lib/src/generated/static_type_analyzer.dart b/pkg/analyzer/lib/src/generated/static_type_analyzer.dart
index 3c166adcfdda0a804d9668075c397bfaf6b1bda6..3a375580ebd0ae15c50a7be67bbf9e794c422422 100644
--- a/pkg/analyzer/lib/src/generated/static_type_analyzer.dart
+++ b/pkg/analyzer/lib/src/generated/static_type_analyzer.dart
@@ -2082,6 +2082,10 @@ class StaticTypeAnalyzer extends SimpleAstVisitor<Object> {
       if (typeStr == '-dynamic') {
         returnType = _typeProvider.bottomType;
       } else {
+        var components = typeStr.split('|');
+        if (components.remove('Null')) {
+          typeStr = components.join('|');
+        }
         returnType = _getElementNameAsType(
             _typeProvider.objectType.element.library, typeStr, null);
       }