replace runtimeType.toString() (#48892)

packages/flutter/lib/src/cupertino/colors.dart

@@ -1049,7 +1049,7 @@ class CupertinoDynamicColor extends Color with DiagnosticableMixin implements Di
       if (_isPlatformBrightnessDependent && _isHighContrastDependent && _isInterfaceElevationDependent) toString('darkHighContrastElevatedColor', darkHighContrastElevatedColor),
     ];
 
-    return '${_debugLabel ?? runtimeType.toString()}(${xs.join(', ')}, resolved by: ${_debugResolveContext?.widget ?? "UNRESOLVED"})';
+    return '${_debugLabel ?? objectRuntimeType(this, 'CupertinoDynamicColor')}(${xs.join(', ')}, resolved by: ${_debugResolveContext?.widget ?? "UNRESOLVED"})';
   }
 
   @override

packages/flutter/lib/src/scheduler/ticker.dart

@@ -322,7 +322,7 @@ class Ticker {
   @override
   String toString({ bool debugIncludeStack = false }) {
     final StringBuffer buffer = StringBuffer();
-    buffer.write('$runtimeType(');
+    buffer.write('${objectRuntimeType(this, 'Ticker')}(');
     assert(() {
       buffer.write(debugLabel ?? '');
       return true;