Change support for VM service message from "The Dart VM Service is listening" to "The Dart VM service is listening" (flutter#31361)

See dart-lang/sdk#46756

Author: bkonyi

shell/platform/fuchsia/runtime/dart/utils/vmservice_object.cc

@@ -41,7 +41,7 @@ void VMServiceObject::GetContents(LazyEntryVector* out_vector) const {
   std::vector<std::string> files;
   if (!ReadDirContents(kPortDir, &files)) {
     FX_LOGF(ERROR, LOG_TAG,
-            "Failed to read Dart VM Service port directory '%s': %s", kPortDir,
+            "Failed to read Dart VM service port directory '%s': %s", kPortDir,
             strerror(errno));
     return;
   }

shell/testing/observatory/launcher.dart

@@ -35,7 +35,7 @@ class ShellProcess {
 
   Uri? _extractVMServiceUri(String str) {
     final listeningMessageRegExp = RegExp(
-      r'(?:Observatory|The Dart VM Service is) listening on ((http|//)[a-zA-Z0-9:/=_\-\.\[\]]+)',
+      r'(?:Observatory|The Dart VM service is) listening on ((http|//)[a-zA-Z0-9:/=_\-\.\[\]]+)',
     );
     final match = listeningMessageRegExp.firstMatch(str);
     if (match != null) {

testing/android_systrace_test.py

@@ -61,7 +61,7 @@ def LaunchPackage(package_name, activity_name, adb_path='adb'):
           '%s/%s' % (package_name, activity_name)], stderr=subprocess.STDOUT)
   for line in logcat.stdout:
     print('>>>>>>>> ' + line.strip())
-    if ('Observatory listening' in line) or ('Dart VM Service is listening' in line):
+    if ('Observatory listening' in line) or ('Dart VM service is listening' in line):
       logcat.kill()
       break