[in_app_purchase] Use correct Gradle distribution (flutter#1905)

Author: Emmanuel Garcia

packages/in_app_purchase/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.2.0+7
+
+* Make Gradle version compatible with the Android Gradle plugin version.
+
 ## 0.2.0+6
 
 * Add missing `hashCode` implementations.

packages/in_app_purchase/android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip

packages/in_app_purchase/pubspec.yaml

@@ -2,7 +2,7 @@ name: in_app_purchase
 description: A Flutter plugin for in-app purchases. Exposes APIs for making in-app purchases through the App Store and Google Play.
 author:  Flutter Team <[email protected]>
 homepage: https://github.com/flutter/plugins/tree/master/packages/in_app_purchase
-version: 0.2.0+6
+version: 0.2.0+7
 
 dependencies:
   async: ^2.0.8