Add missing android lint to linux_unopt. (#43099) The test was not migrated to v2. Bug: https://github.com/flutter/flutter/issues/127759 [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style https://dart.googlesource.com/external/github.com/flutter/engine/+/3deccd7bfdcf786d04d7ba6159d2895185d0e707