[Android] Fix the app local path parser issue in manifest parser.

  The app local path field is not parsed correctly. This fix it to
resolve this issue by adding the judgement from app->launch->local_path.

BUG=https://crosswalk-project.org/jira/browse/XWALK-695
Merge pull request #1353 from ShDavidliu/update_parser

[Android] Fix the app local path parser issue in manifest parser.