forked from firka/flutter
## Description This is a reland of https://github.com/flutter/engine/pull/44579 which was reverted in https://github.com/flutter/engine/pull/46788. This reland adds a check into `onActivityResult` in order to return early if the result is related to an unknown request code (aka the result is related to a request sent by another plugin). It also adds one test that simulates receiving such an unknown request code. ## Related Issue Android engine side for https://github.com/flutter/flutter/issues/107603 ## Tests Adds 4 tests.