Use dart2js_plaform.dill from the sdk.

tests/language/language_dart2js.status

Index: tests/language/language_dart2js.status
diff --git a/tests/language/language_dart2js.status b/tests/language/language_dart2js.status
index c66a2d9a3373142d8ed7861e33991a90e4690e6b..40a97aba8b657264f9acbe4faceaa8bff36188e5 100644
--- a/tests/language/language_dart2js.status
+++ b/tests/language/language_dart2js.status
@@ -588,7 +588,6 @@ bit_operations_test/none: Crash
 black_listed_test/none: Crash
 bool_check_test: Crash
 bool_test: Crash
-bootstrap_test: RuntimeError
 bound_closure_equality_test: Crash
 bound_closure_primitives_test: Crash
 branch_canonicalization_test: RuntimeError
@@ -1140,6 +1139,10 @@ generic_field_mixin4_test: Crash # Issue 18651
 generic_field_mixin5_test: Crash # Issue 18651
 generic_field_mixin6_test/01: Crash
 generic_field_mixin_test: Crash
+generic_function_typedef2_test/00: Crash
+generic_function_typedef2_test/01: Crash
+generic_function_typedef2_test/02: Crash
+generic_function_typedef2_test/03: Crash
 generic_function_typedef2_test/04: Crash
 generic_function_typedef_test: Crash
 generic_functions_test: Crash
@@ -1957,6 +1960,7 @@ syncstar_less_than_test: Crash
 syncstar_yield_test/copyParameters: Crash
 syncstar_yield_test/none: Crash
 syncstar_yieldstar_test: Crash
+syntax_test/none: CompileTimeError
 syntax_test/none: Crash
 temp_mangling_test: Crash
 third_test: Crash
@@ -3746,6 +3750,3 @@ wrong_number_type_arguments_test/00: Crash
 wrong_number_type_arguments_test/01: Crash
 wrong_number_type_arguments_test/02: Crash
 wrong_number_type_arguments_test/none: Crash
-
-[ $compiler == dart2js && $dart2js_with_kernel && $use_sdk ]
-*: Skip # Issue 29626