Reverts: flutter/engine#53108 Initiated by: jonahwilliams Reason for reverting: Probably --no-enable-impeller isn't working Original PR Author: jiahaog Reviewed By: {jonahwilliams} This change reverts the following previous change: After https://github.com/flutter/engine/pull/53099, impeller is always enabled, even if the manifest disables it using `io.flutter.embedding.android.EnableImpeller`. This PR causes it to respect the manifest value if it is explicitly disabled. Fixes b/343603270 [C++, Objective-C, Java style guides]: https://github.com/flutter/engine/blob/main/CONTRIBUTING.md#style