Revert "Parts must start with 'part of'" and "Attempt to fix VM build"

dart/tests/lib/math/math_parse_double_test.dart

Index: dart/tests/lib/math/math_parse_double_test.dart
diff --git a/dart/tests/lib/math/math_parse_double_test.dart b/dart/tests/lib/math/math_parse_double_test.dart
index fb7534c6234aaf756e98565918850c12814a5f10..4bf4a3262761fc823e41df7e81686ab13a6c1f6c 100644
--- a/dart/tests/lib/math/math_parse_double_test.dart
+++ b/dart/tests/lib/math/math_parse_double_test.dart
@@ -5,9 +5,9 @@
 // We temporarily test both the new math library and the old Math
 // class. This can easily be simplified once we get rid of the Math
 // class entirely.
-library math_parse_double_test;
+#library('math_parse_double_test');
 
-import 'dart:math';
+#import('dart:math');
 
 void parseDoubleThrowsFormatException(str) {
   Expect.throws(() => parseDouble(str), (e) => e is FormatException);