Format analyzer, analysis_server, analyzer_plugin, front_end and kernel with the latest dartfmt.

pkg/analysis_server/test/domain_completion_test.dart

Index: pkg/analysis_server/test/domain_completion_test.dart
diff --git a/pkg/analysis_server/test/domain_completion_test.dart b/pkg/analysis_server/test/domain_completion_test.dart
index d69cab30e9704a6691ceefa06bd896536cbf2895..3415c6461478bcd33bac4a15beaac8a46ae13f92 100644
--- a/pkg/analysis_server/test/domain_completion_test.dart
+++ b/pkg/analysis_server/test/domain_completion_test.dart
@@ -488,9 +488,7 @@ class CompletionDomainHandlerTest extends AbstractCompletionDomainTest {
   }
 
   test_inDartDoc_reference1() async {
-    addFile(
-        '/testA.dart',
-        '''
+    addFile('/testA.dart', '''
   part of libA;
   foo(bar) => 0;''');
     addTestFile('''
@@ -654,9 +652,7 @@ class B extends A {m() {^}}
   }
 
   test_partFile() {
-    addFile(
-        '/project/bin/testA.dart',
-        '''
+    addFile('/project/bin/testA.dart', '''
       library libA;
       part "$testFile";
       import 'dart:html';
@@ -676,9 +672,7 @@ class B extends A {m() {^}}
   }
 
   test_partFile2() {
-    addFile(
-        '/testA.dart',
-        '''
+    addFile('/testA.dart', '''
       part of libA;
       class A { }''');
     addTestFile('''