Use dart2js_plaform.dill from the sdk.

tests/language_2/language_2.status

Index: tests/language_2/language_2.status
diff --git a/tests/language_2/language_2.status b/tests/language_2/language_2.status
index dd775f9d5dc28ffb8e9cc6e990bee56fd0752fc6..ba85602d87501c2ce60d48fda0350b336a7988b5 100644
--- a/tests/language_2/language_2.status
+++ b/tests/language_2/language_2.status
@@ -123,9 +123,6 @@ arithmetic_smi_overflow_test: Crash
 async_star_cancel_while_paused_test: RuntimeError # Issue 29920
 async_star_pause_test: RuntimeError
 
-[ $compiler == dart2js && $dart2js_with_kernel && $use_sdk ]
-*: Skip # Issue 29626
-
 [ $compiler == dart2js && ! $checked && ! $enable_asserts && ! $dart2js_with_kernel && $runtime != none ]
 assertion_test: RuntimeError # Issue 12748
 
@@ -346,7 +343,11 @@ async_star_stream_take_test: RuntimeError # Issue 27394
 async_star_take_reyield_test: RuntimeError # Issue 27394
 
 [ $compiler == dart2js && $runtime == d8 && $dart2js_with_kernel ]
+assign_instance_method_test: Crash
+async_await_foreign_test: Crash
 async_break_in_finally_test: Crash
+async_call_test: Crash
+async_cascade_test: Crash
 async_continue_label_test/await_in_body: Crash
 async_continue_label_test/await_in_condition: Crash
 async_continue_label_test/await_in_init: Crash
@@ -357,7 +358,6 @@ async_finally_rethrow_test: Crash
 async_or_generator_return_type_stacktrace_test/01: Crash
 async_or_generator_return_type_stacktrace_test/02: Crash
 async_or_generator_return_type_stacktrace_test/03: Crash
-async_or_generator_return_type_stacktrace_test/none: Crash
 async_regression_23058_test: Crash
 async_rethrow_test: Crash
 async_return_types_test/nestedFuture: Crash
@@ -365,6 +365,7 @@ async_return_types_test/none: Crash
 async_return_types_test/tooManyTypeParameters: Crash
 async_return_types_test/wrongReturnType: Crash
 async_return_types_test/wrongTypeParameter: Crash
+async_star_await_pauses_test: Crash
 async_star_cancel_and_throw_in_finally_test: Crash
 async_star_cancel_while_paused_test: Crash
 async_star_no_cancel2_test: Crash