Fix new formatting errors (#408)

diff --git a/packages/android_intent/lib/android_intent.dart b/packages/android_intent/lib/android_intent.dart
index 5ca5680..2be1148 100644
--- a/packages/android_intent/lib/android_intent.dart
+++ b/packages/android_intent/lib/android_intent.dart
@@ -34,8 +34,7 @@
     this.arguments,
     this.package,
     Platform platform,
-  })
-      : assert(action != null),
+  })  : assert(action != null),
         _channel = const MethodChannel(kChannelName),
         _platform = platform ?? const LocalPlatform();
 
diff --git a/packages/device_info/lib/device_info.dart b/packages/device_info/lib/device_info.dart
index e0391a6..bf727c2 100644
--- a/packages/device_info/lib/device_info.dart
+++ b/packages/device_info/lib/device_info.dart
@@ -58,8 +58,7 @@
     this.tags,
     this.type,
     this.isPhysicalDevice,
-  })
-      : supported32BitAbis = new List<String>.unmodifiable(supported32BitAbis),
+  })  : supported32BitAbis = new List<String>.unmodifiable(supported32BitAbis),
         supported64BitAbis = new List<String>.unmodifiable(supported64BitAbis),
         supportedAbis = new List<String>.unmodifiable(supportedAbis);
 
diff --git a/packages/firebase_core/lib/src/firebase_options.dart b/packages/firebase_core/lib/src/firebase_options.dart
index 8ab7c49..c2991fb 100644
--- a/packages/firebase_core/lib/src/firebase_options.dart
+++ b/packages/firebase_core/lib/src/firebase_options.dart
@@ -17,8 +17,7 @@
     this.databaseURL,
     this.deepLinkURLScheme,
     this.storageBucket,
-  })
-      : assert(googleAppID != null);
+  }) : assert(googleAppID != null);
 
   @visibleForTesting
   FirebaseOptions.from(Map<dynamic, dynamic> map)
diff --git a/packages/firebase_database/lib/ui/firebase_animated_list.dart b/packages/firebase_database/lib/ui/firebase_animated_list.dart
index ed2a867..7112086 100755
--- a/packages/firebase_database/lib/ui/firebase_animated_list.dart
+++ b/packages/firebase_database/lib/ui/firebase_animated_list.dart
@@ -33,8 +33,7 @@
     this.shrinkWrap: false,
     this.padding,
     this.duration: const Duration(milliseconds: 300),
-  })
-      : super(key: key) {
+  }) : super(key: key) {
     assert(itemBuilder != null);
   }
 
diff --git a/packages/video_player/lib/video_player.dart b/packages/video_player/lib/video_player.dart
index 0c9b844..76ff132 100644
--- a/packages/video_player/lib/video_player.dart
+++ b/packages/video_player/lib/video_player.dart
@@ -460,8 +460,7 @@
     VideoProgressColors colors,
     this.allowScrubbing,
     this.padding: const EdgeInsets.only(top: 5.0),
-  })
-      : colors = colors ?? new VideoProgressColors();
+  }) : colors = colors ?? new VideoProgressColors();
 
   @override
   _VideoProgressIndicatorState createState() =>