add lint report file format as a mapping file for the gradle runner step

bitrise.yml

@@ -21,6 +21,7 @@ workflows:
       - gradle-runner@2:
           title: Lint Checks
           inputs:
+            - mapping_file_include_filter: '*/lint-results.html'
             - gradle_task: '${MODULE_LINTA_ANDROID}:lint'
       - gradle-unit-test@1:
           title: Lint Checks Unit Tests