Reverts IsolateReload commits that marked two tests as crashing.

runtime/tests/vm/vm.status

Index: runtime/tests/vm/vm.status
diff --git a/runtime/tests/vm/vm.status b/runtime/tests/vm/vm.status
index 9827bcdd7e54a0794c458d5f74fe07abcb86102d..a82df2fcbc3378e27917d1da46b150e0d70c10af 100644
--- a/runtime/tests/vm/vm.status
+++ b/runtime/tests/vm/vm.status
@@ -282,6 +282,8 @@ cc/InjectNativeFieldsSuperClass: Crash
 cc/InvokeNoSuchMethod: Fail
 cc/Invoke_CrossLibrary:  Crash
 cc/IsolateReload_BadClass: Fail
+cc/IsolateReload_ClassFieldAdded: Crash
+cc/IsolateReload_ClassFieldAdded2: Crash
 cc/IsolateReload_ChangeInstanceFormat1: Skip
 cc/IsolateReload_ChangeInstanceFormat3: Skip
 cc/IsolateReload_ChangeInstanceFormat7: Skip
@@ -418,9 +420,6 @@ cc/Debug_BreakpointStubPatching: Fail
 cc/InjectNativeFields1: Crash
 cc/InjectNativeFields3: Crash
 cc/Service_TokenStream: Crash
-cc/IsolateReload_ClassFieldAdded: Crash
-cc/IsolateReload_ClassFieldAdded2: Crash
-cc/IsolateReload_ClassFieldRemoved: Crash
 
 [ ($compiler == dartk) && ($runtime == vm) && ($system == macos) ]
 cc/IsolateReload_DanglingGetter_Class: Crash