[sensors] Update readme documentation (flutter#2452)

Update readme to fix typo in example for user accelerometer event

Author: ThomasLilley

packages/sensors/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.4.1+7
+
+* Fixed example userAccelerometerEvent in documentation
+
 ## 0.4.1+6
 
 * Migrate from deprecated BinaryMessages to ServicesBinding.instance.defaultBinaryMessenger.

packages/sensors/README.md

@@ -33,7 +33,7 @@ accelerometerEvents.listen((AccelerometerEvent event) {
 });
 // [AccelerometerEvent (x: 0.0, y: 9.8, z: 0.0)]
 
-userAccelerometerEvents.listen((AccelerometerEvent event) {
+userAccelerometerEvents.listen((UserAccelerometerEvent event) {
   print(event);
 });
 // [UserAccelerometerEvent (x: 0.0, y: 0.0, z: 0.0)]

packages/sensors/pubspec.yaml

@@ -2,7 +2,7 @@ name: sensors
 description: Flutter plugin for accessing the Android and iOS accelerometer and
   gyroscope sensors.
 homepage: https://github.com/flutter/plugins/tree/master/packages/sensors
-version: 0.4.1+6
+version: 0.4.1+7
 
 flutter:
   plugin: