use status(), error(), and trace() for logging

rename to printTrace(), printStatus(), and printError()
diff --git a/packages/flutter_tools/lib/src/build_configuration.dart b/packages/flutter_tools/lib/src/build_configuration.dart
index 938729d..82a5bbb 100644
--- a/packages/flutter_tools/lib/src/build_configuration.dart
+++ b/packages/flutter_tools/lib/src/build_configuration.dart
@@ -6,7 +6,7 @@
 
 import 'package:path/path.dart' as path;
 
-import 'base/logging.dart';
+import 'base/context.dart';
 
 enum BuildType {
   prebuilt,
@@ -32,7 +32,7 @@
     return HostPlatform.mac;
   if (Platform.isLinux)
     return HostPlatform.linux;
-  logging.warning('Unsupported host platform, defaulting to Linux');
+  printError('Unsupported host platform, defaulting to Linux');
   return HostPlatform.linux;
 }
 
@@ -41,7 +41,7 @@
     return TargetPlatform.mac;
   if (Platform.isLinux)
     return TargetPlatform.linux;
-  logging.warning('Unsupported host platform, defaulting to Linux');
+  printError('Unsupported host platform, defaulting to Linux');
   return TargetPlatform.linux;
 }