Reapply change to hide VM-only List implementation classes.

runtime/vm/intermediate_language.h

Index: runtime/vm/intermediate_language.h
diff --git a/runtime/vm/intermediate_language.h b/runtime/vm/intermediate_language.h
index 0a1be8f513d1c477c5648a8e763666a8f183ccf8..5a61ddec4d74fb5f0fdc1057888b8e9df02a1e9a 100644
--- a/runtime/vm/intermediate_language.h
+++ b/runtime/vm/intermediate_language.h
@@ -31,10 +31,10 @@ class Range;
 // TODO(srdjan): Add _ByteArrayBase, get:length.
 
 #define RECOGNIZED_LIST(V)                                                     \
-  V(ObjectArray, get:length, ObjectArrayLength)                                \
-  V(ImmutableArray, get:length, ImmutableArrayLength)                          \
-  V(GrowableObjectArray, get:length, GrowableArrayLength)                      \
-  V(GrowableObjectArray, get:capacity, GrowableArrayCapacity)                  \
+  V(_ObjectArray, get:length, ObjectArrayLength)                               \
+  V(_ImmutableArray, get:length, ImmutableArrayLength)                         \
+  V(_GrowableObjectArray, get:length, GrowableArrayLength)                     \
+  V(_GrowableObjectArray, get:capacity, GrowableArrayCapacity)                 \
   V(StringBase, get:length, StringBaseLength)                                  \
   V(_IntegerImplementation, toDouble, IntegerToDouble)                         \
   V(_Double, toDouble, DoubleToDouble)                                         \