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

tests/standalone/standalone.status

Index: tests/standalone/standalone.status
diff --git a/tests/standalone/standalone.status b/tests/standalone/standalone.status
index dfc31c0623cdcf4c8457698755826a115353b9f8..0a29025a885fe8b4fd69bb89c91e75b8c86f34ce 100644
--- a/tests/standalone/standalone.status
+++ b/tests/standalone/standalone.status
@@ -19,16 +19,16 @@ package/scenarios/invalid/same_package_twice_test.dart: RuntimeError, CompileTim
 
 issue14236_test: Pass # Do not remove this line. It serves as a marker for Issue 14516 comment #4.
 
-[ ($runtime != vm && $runtime != dart_precompiled && $runtime != dart_app) && ($runtime != drt || $compiler != none)) ]
+[ ($runtime != vm && $runtime != dart_precompiled) && ($runtime != drt || $compiler != none)) ]
 no_assert_test: Fail, OK # This is testing a vm flag.
 env_test: Skip # This is testing a vm command line parsing scenario.
 
-[ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) ]
+[ $runtime == vm || $runtime == dart_precompiled ]
 package/package_isolate_test: Fail # Issue 12474
 io/observatory_test: Fail
 package/scenarios/invalid/same_package_twice_test: Pass # Issue 24119
 
-[ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) && $checked ]
+[ ($runtime == vm || $runtime == dart_precompiled) && $checked ]
 # These tests have type errors on purpose.
 io/process_invalid_arguments_test: Fail, OK
 io/directory_invalid_arguments_test: Fail, OK
@@ -41,7 +41,7 @@ io/stdout_bad_argument_test: Fail, OK
 io/file_fuzz_test: Skip
 io/directory_fuzz_test: Skip
 
-[ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) && $system == macos ]
+[ ($runtime == vm || $runtime == dart_precompiled) && $system == macos ]
 # This test fails with "Too many open files" on the Mac OS buildbot.
 # This is expected as MacOS by default runs with a very low number
 # of allowed open files ('ulimit -n' says something like 256).
@@ -114,7 +114,7 @@ deferred_transitive_import_error_test: Skip # Contains intentional errors.
 [ $compiler == dart2js && $cps_ir && $checked ]
 *: Skip # `assert` not implemented
 
-[ ($runtime == vm || $runtime == dart_app) && ($arch == arm || $arch == arm64) ]
+[ $runtime == vm && ($arch == arm || $arch == arm64) ]
 io/file_stream_test: Skip # Issue 26109
 io/file_typed_data_test: Skip # Issue 26109
 io/file_input_stream_test: Skip # Issue 26109
@@ -197,12 +197,12 @@ io/process_sync_test: Pass, Timeout # Issue 24596
 io/sleep_test: Pass, Fail # Issue 25757
 io/socket_info_ipv6_test: RuntimeError # Issue 27876
 
-[ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) && $mode == debug && $builder_tag == asan ]
+[ ($runtime == vm || $runtime == dart_precompiled) && $mode == debug && $builder_tag == asan ]
 io/file_lock_test: Skip  # Timeout.
 io/test_runner_test: Skip  # Timeout.
 io/http_client_stays_alive_test: Skip  # Timeout.
 
-[ ($runtime == vm || $runtime == dart_precompiled || $runtime == dart_app) ]
+[ $runtime == vm || $runtime == dart_precompiled ]
 # Failures in secure networking while NSS is replaced with BoringSSL
 io/https_client_certificate_test: RuntimeError # Issue 24070
 io/secure_socket_renegotiate_test: RuntimeError
@@ -220,10 +220,10 @@ assert_test: Pass, RuntimeError
 map_insert_remove_oom_test: Skip # Heap limit too low. Increasing iteration count to make a higher limit a meaningful test makes it too slow for simarm[64] bots.
 io/web_socket_test: Pass, RuntimeError # Issue 24674
 
-[ $compiler == precompiler || $compiler == dart2app || $compiler == dart2appjit ]
+[ $compiler == precompiler || $compiler == app_jit ]
 io/compile_all_test: Skip # Incompatible flag --compile_all
 
-[ $runtime == dart_app ]
+[ $compiler == app_jit ]
 io/stdout_bad_argument_test: Skip # Test exits and so can't generate snapshot.
 io/directory_list_sync_test: Skip # Snapshot path differs from script path.
 io/test_extension_test: Skip # Snapshot path differs from script path.
@@ -276,7 +276,10 @@ io/skipping_dart2js_compilations_test: CompileTimeError # Imports dart:mirrors
 io/test_harness_analyzer_test: CompileTimeError # Imports dart:mirrors
 io/test_runner_test: CompileTimeError # Imports dart:mirrors
 
-[ $runtime == dart_precompiled || $runtime == dart_app || $mode == product ]
+[ $compiler == app_jit ]
+assert_test: RuntimeError # Script name change?
+
+[ $runtime == dart_precompiled || $mode == product ]
 assert_test: SkipByDesign # Requires checked mode.
 no_assert_test: SkipByDesign # Requires checked mode.
 io/code_collection_test: Skip # Incompatible flags
@@ -293,7 +296,7 @@ no_support_timeline_test: SkipByDesign
 io/stdio_implicit_close_test: Skip # SkipByDesign
 
 # Following tests are skipped on dart_app as package mapping is not supported.
-[ $runtime == dart_precompiled || $runtime == dart_app ]
+[ $runtime == dart_precompiled || $compiler == app_jit ]
 package/scenarios/packages_file_strange_formatting/mixed_line_ends_test: Skip
 package/scenarios/packages_file_strange_formatting/empty_lines_test: Skip
 package/scenarios/invalid/invalid_utf8_test: Skip
@@ -342,7 +345,7 @@ io/raw_secure_socket_test: RuntimeError
 io/https_bad_certificate_test: RuntimeError
 io/secure_server_closing_test: RuntimeError
 
-[ $runtime == vm || $runtime == dart_app || $runtime == dart_precompiled ]
+[ $runtime == vm || $runtime == dart_precompiled ]
 deferred_transitive_import_error_test: Skip # Contains intentional errors.
 
 [ $hot_reload || $hot_reload_rollback ]