Make the fuchsia mojo/public repo the source of truth.

mojo/dart/packages/_mojo_for_test_only/lib/imported/sample_import.mojom.dart

Index: mojo/dart/packages/_mojo_for_test_only/lib/imported/sample_import.mojom.dart
diff --git a/mojo/dart/packages/_mojo_for_test_only/lib/imported/sample_import.mojom.dart b/mojo/dart/packages/_mojo_for_test_only/lib/imported/sample_import.mojom.dart
index f005829b4f61e3491791c9f7bdedc4c2d67a295e..c96d76492d5f7b49a0d6d2c2d4110c13caeb713e 100644
--- a/mojo/dart/packages/_mojo_for_test_only/lib/imported/sample_import.mojom.dart
+++ b/mojo/dart/packages/_mojo_for_test_only/lib/imported/sample_import.mojom.dart
@@ -554,7 +554,7 @@ mojom_types.RuntimeTypeInfo  _initRuntimeTypeInfo() {
   // serializedRuntimeTypeInfo contains the bytes of the Mojo serialization of
   // a mojom_types.RuntimeTypeInfo struct describing the Mojom types in this
   // file. The string contains the base64 encoding of the gzip-compressed bytes.
-  var serializedRuntimeTypeInfo = "H4sIAAAJbogC/8yYz1PTQBTHN61okYJR+RF+qEFRUcfGI+MJBjvSkXE60EM5QSmRxkmTkIQZvHn0z+DP5KYb8tYmL7s00dJkZ95ss7tt3n727e63TyFhkaH+ADVuZ3UF1XgckQa/M0FtHZp3oHag/gX1JdSvqD2l1jpo1g+/1A8+Gn3Hdn39pLZl2X5Pd/d7HUcn5B0d84I7rgEfGpavu986Xf36d59RW+COb9qG5d/QH77wDe1b5fYf6H7ctevShnnLaN7Bc5lAJzwHqC4riHM1/qw84nOuAOdNEi9s/Vj7byhNwi+z1IJX4qk8oTZHTbAMCX8ew9RMaifUtHPP1Uy72zG1U9s+NXWtZ/d1zehYpm10Nf9M69vfbc1zu+EH5/zYpO0GWzxPOzasE8M69TRf93xP8zp9x9QPQ39qwXf6wXtV4Mr8aQIXpxTWLP5U5K8C4+6TbBzbAo4PqU1S26tvt7a+ft6tQ/triEEux9pgNOYZrEspB54sThkXzA+XqSH8NlLG4Qy1u9S2G3vbAbw1+nlFyI2NSsbhXE7chnGqjoiTDGdva69xHTjs3ORzYqOSnOYLxkmV4s8iTjuI05GA0yLsSf6tQMhzaktRboKBmNsa7I1xc8N+KJG4klB8SJH7GfO+EvAS8SYR3rx2Ejn/g7Pgk71P5+/36Iy4/F7mFHcq4naF6jTzD8qGYP7LwCAy//eufnZOfeLrJCjj5lARxImC/KqguFGQvtssZzvPNgXcpkE3hGosPJdmovsSOjC/4E69l9M+LEX8UJEO20B+TpB0Je3+Wxd8fxKW5kKgy1VY03Hzysrlzj9wkVJw+SHgspoTl5v2X4lzzsspz6us+47p+cS+gw78/qmcdP46xIaKdH4PdP7P8s16X5Zix9d//28S6X0V1izOcSD0Mc9qzjpfSqnzSxnjbielzk/8z0QCH/OaLqi+L4+ID9b3LD+B+PwV9pjPTEH4yOAHy1OMik8VzoHdrf1WVHchPqw7wedBQfSnivaVaN1FeanbygctACOc3Uqca2gA9mexIPmgNnC5GJIPYjpuNuP9cJTxfngL/z1FHGvoC5jrUs73xWzK+2LulvJCiXwa5gcDMbflgt4b8xk5tVPeGyxvLeQ0SA1x42wlJ15/AgAA///j+4KikBgAAA==";
+  var serializedRuntimeTypeInfo = "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";
 
   // Deserialize RuntimeTypeInfo
   var bytes = BASE64.decode(serializedRuntimeTypeInfo);