[Gardening] Update status file after fix of 28302

tests/language/language_kernel.status

 # Copyright (c) 2016, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 # These tests currently take too long. Remove when they are fixed.
 [ $compiler == dartk || $compiler == dartkp ]
 large_class_declaration_test: SkipSlow  # KernelVM Issue 28312
 
 ###############################################################################
 # Dartk Entries
@@ skipping 190 matching lines @@
 library_env_test/has_no_mirror_support: RuntimeError
 redirecting_factory_reflection_test: RuntimeError
 
 # dartk: JIT failures (debug)
 [ $compiler == dartk && $runtime == vm && $mode == debug ]
 not_enough_positional_arguments_test/02: Crash  # Dartk Issue 28301
 not_enough_positional_arguments_test/05: Crash  # Dartk Issue 28301
 
 # dartk: precompilation failures
 [ $compiler == dartkp && $runtime == dart_precompiled ]
-if_null_assignment_static_test/35: Crash  # Dartk Issue 28302
 
 # dartk: precompilation failures (debug)
 [ $compiler == dartkp && $runtime == dart_precompiled && $mode == debug ]
 constructor_named_arguments_test/01: Crash  # Dartk Issue 28301
 not_enough_positional_arguments_test/05: Crash  # Dartk Issue 28301
 
 # New failures after respecting VMOptions in test files
 [ $compiler == dartk || $compiler == dartkp ]
 vm/regress_27671_test: RuntimeError
 
 # New failures after respecting VMOptions in test files
 [ $compiler == dartk && $runtime == vm && $mode == debug]
 hello_dart_test: Crash  # error: expected: cls.is_type_finalized()
 
 # New failures after respecting VMOptions in test files
 [ $compiler == dartk && $runtime == vm ]
 hello_dart_test: CompileTimeError  # VMOptions=--compile-all causes us to hit "native function VMServiceIO_Shutdown cannot be resolved"
 ct_const2_test: Pass, CompileTimeError  # VMOptions=--compile-all causes us to hit "native function VMServiceIO_Shutdown cannot be resolved"
 
 # Failures during Gardening shift: To be triaged!
 [ $compiler == dartk || $compiler == dartkp ]
 runtime_type_function_test: RuntimeError
 
 # Triaged checked mode failures
 [ ($compiler == dartk || $compiler == dartkp) && $checked ]
 language/regress_22728_test: Fail # Dartk Issue 28498