Merge pull request #152 from sentry-demos/add-validate_inventory

forcing /checkout to fail via `validate_inventory: "true"`

Author: ndmanvar

app/src/main/java/com/example/vu/android/empowerplant/MainFragment.java

@@ -396,6 +396,7 @@ private JSONObject buildJSONPostData(HashMap<String, StoreItem> selectedStoreIte
             cart.put("quantities", quantities);
             postBody.put("cart", cart);
             postBody.put("form", new JSONObject());// This line currently mocks non existent form data
+            postBody.put("validate_inventory", "true");
 
         } catch (JSONException e) {
             ISpan span = Sentry.getSpan();