Run flutter_plugin_tools format (#2112)

diff --git a/packages/in_app_purchase/lib/src/billing_client_wrappers/billing_client_wrapper.dart b/packages/in_app_purchase/lib/src/billing_client_wrappers/billing_client_wrapper.dart
index c6af2c0..6d7cd83 100644
--- a/packages/in_app_purchase/lib/src/billing_client_wrappers/billing_client_wrapper.dart
+++ b/packages/in_app_purchase/lib/src/billing_client_wrappers/billing_client_wrapper.dart
@@ -192,10 +192,10 @@
   /// listener)`](https://developer.android.com/reference/com/android/billingclient/api/BillingClient#querypurchasehistoryasync).
   Future<PurchasesResultWrapper> queryPurchaseHistory(SkuType skuType) async {
     assert(skuType != null);
-    return PurchasesResultWrapper.fromJson(await channel
-        .invokeMapMethod<String, dynamic>(
-            'BillingClient#queryPurchaseHistoryAsync(String, PurchaseHistoryResponseListener)',
-            <String, dynamic>{'skuType': SkuTypeConverter().toJson(skuType)}));
+    return PurchasesResultWrapper.fromJson(await channel.invokeMapMethod<String,
+            dynamic>(
+        'BillingClient#queryPurchaseHistoryAsync(String, PurchaseHistoryResponseListener)',
+        <String, dynamic>{'skuType': SkuTypeConverter().toJson(skuType)}));
   }
 
   /// Consumes a given in-app product.