Remove runtime 'dart_app' as it became identical to 'vm'.

tests/corelib/corelib.status

 # Copyright (c) 2012, 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.
 
 [ $compiler == none && ($runtime == drt || $runtime == dartium) ]
 bool_from_environment2_test: Skip
 bool_from_environment_test: Skip
 from_environment_const_type_test: Skip
 from_environment_const_type_undefined_test: Skip
 int_from_environment2_test: Skip
 int_from_environment3_test: Skip
 int_from_environment_test: Skip
 string_from_environment2_test: Skip
 string_from_environment3_test: Skip
 string_from_environment_test: Skip
 
-[ ($compiler == none || $compiler == precompiler || $compiler == dart2app || $compiler == dart2appjit) ]
+[ $compiler == none || $compiler == precompiler || $compiler == app_jit ]
 unicode_test: Fail        # Bug 6706
 compare_to2_test: Fail    # Bug 4018
 
 symbol_test/01: Fail, Pass # bug 11669
 
 # With the exception of 'void', new Symbol() should not accept reserved words.
 symbol_reserved_word_test/06: RuntimeError # bug 11669
 symbol_reserved_word_test/09: RuntimeError # bug 11669
 symbol_reserved_word_test/12: RuntimeError # bug 11669
 
 symbol_test/none: Fail # bug 11669
 symbol_operator_test/03: Fail # bug 11669
 string_case_test/01: Fail # Bug 18061
 
 # #void should be a valid symbol.
-[ $compiler == none || $compiler == precompiler || $compiler == dart2app || $compiler == dart2appjit || $compiler == dart2js ]
+[ $compiler == none || $compiler == precompiler || $compiler == app_jit || $compiler == dart2js ]
 symbol_reserved_word_test/02: CompileTimeError # bug 20191
 symbol_reserved_word_test/05: CompileTimeError # bug 20191
 
 # With the exception of 'void', const Symbol() should not accept reserved
 # words.
 symbol_reserved_word_test/04: MissingCompileTimeError # bug 11669, 19972
 symbol_reserved_word_test/07: MissingCompileTimeError # bug 11669, 19972
 symbol_reserved_word_test/10: MissingCompileTimeError # bug 11669, 19972
 
 [ $compiler == none && ($runtime == drt || $runtime == dartium) ]
@@ skipping 10 matching lines @@
 int_parse_radix_test/01: Pass, Fail # JS implementations disagree on U+0085 being whitespace.
 int_parse_radix_test/02: Fail # No bigints.
 double_parse_test/01: Pass, Fail # JS implementations disagree on U+0085 being whitespace.
 integer_to_radix_string_test: RuntimeError # issue 22045
 int_modulo_arith_test/bignum: RuntimeError # No bigints.
 int_modulo_arith_test/modPow: RuntimeError # No bigints.
 
 [ $compiler == dart2js && $fast_startup ]
 apply3_test: Fail # mirrors not supported
 
-[ ($compiler == none || $compiler == precompiler || $compiler == dart2app || $compiler == dart2appjit) && $runtime != dartium && $runtime != drt ]
+[ ($compiler == none || $compiler == precompiler || $compiler == app_jit) && $runtime != dartium && $runtime != drt ]
 symbol_test/02: MissingCompileTimeError # bug 11669
 symbol_test/03: MissingCompileTimeError # bug 11669
 
 [ $runtime == ff || $runtime == jsshell ]
 unicode_test: Fail
 # Firefox takes advantage of the ECMAScript number parsing cop-out clause
 # (presumably added to allow Mozilla's existing behavior)
 # and only looks at the first 20 significant digits.
 # The Dart VM and the other ECMAScript implementations follow the correct
 # IEEE-754 rounding algorithm.
@@ skipping 74 matching lines @@
 string_test: StaticWarning, OK # Test generates error on purpose.
 duration2_test: StaticWarning, OK # Test generates error on purpose.
 
 [ $system == windows && $arch == x64 ]
 stopwatch_test: Skip  # Flaky test due to expected performance behaviour.
 
 [ $runtime != d8 && $runtime != vm && $runtime != dart_precompiled ]
 # The regexp tests are not verified to work on non d8/vm platforms yet.
 regexp/*: Skip
 
-[ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) ]
+[ $runtime == vm || $runtime == dart_precompiled ]
 regexp/global_test: Skip # Timeout. Issue 21709 and 21708
 
-[ $runtime != vm && $runtime != dart_precompiled && $runtime != dart_app && $compiler != dart2analyzer]
+[ $runtime != vm && $runtime != dart_precompiled && $compiler != dart2analyzer]
 data_resource_test: RuntimeError # Issue 23825 (not implemented yet).
 file_resource_test: Skip, OK # VM specific test, uses dart:io.
 http_resource_test: Skip, OK # VM specific test, uses dart:io.
 
 [ $compiler == dart2js && $browser == false ]
 package_resource_test: RuntimeError # Issue 26842
 
 [ $mode == debug ]
 regexp/pcre_test: Pass, Slow # Timeout. Issue 22008
 
-[ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) && $arch == simarmv5te ]
+[ ($runtime == vm || $runtime == dart_precompiled) && $arch == simarmv5te ]
 int_parse_radix_test/*: Pass, Slow
 big_integer_parsed_mul_div_vm_test: Pass, Slow
 
 [ $compiler == dart2js && $cps_ir ]
 regexp/pcre_test: Crash # Stack Overflow in LoopHierarchy.
 core_runtime_types_test: Pass, RuntimeError # Issue 25795.
 
 [ $compiler == dart2js && $cps_ir && $checked ]
 *: Skip # Issue 25761
 
 [ $compiler == dart2js && $cps_ir && $host_checked ]
 regexp/pcre_test: Crash # Stack Overflow
 collection_removes_test: Crash # Issue 25911
 
 [ $noopt || $compiler == precompiler ]
 # Stacktraces in precompilation omit inlined frames.
 stacktrace_current_test: Pass, RuntimeError
 error_stack_trace1_test: Pass, RuntimeError
 
 [ $noopt || $compiler == precompiler || $mode == product ]
 apply3_test: SkipByDesign # Imports dart:mirrors
 
 [ $noopt || $compiler == precompiler ]
 regexp/stack-overflow_test: RuntimeError, OK # Smaller limit with irregex interpreter
 big_integer_huge_mul_vm_test: Pass, Timeout # --no_intrinsify
 big_integer_parsed_mul_div_vm_test: Pass, Timeout # --no_intrinsify
 int_parse_radix_test: Pass, Timeout # --no_intrinsify
 
-[ $compiler == precompiler || $runtime == dart_app ]
+[ $compiler == precompiler || $compiler == app_jit ]
 data_resource_test: Skip # Resolve URI not supported yet in product mode.
 package_resource_test: Skip # Resolve URI not supported yet in product mode.
 file_resource_test: Skip # Resolve URI not supported yet in product mode.
 http_resource_test: Skip # Resolve URI not supported yet in product mode.
 
 [ $arch == simdbc || $arch == simdbc64 ]
 regexp/stack-overflow_test: RuntimeError, OK # Smaller limit with irregex interpreter
 
 [ $hot_reload || $hot_reload_rollback ]
 big_integer_parsed_mul_div_vm_test: Pass, Slow # Slow.