[camera] Update Android example to use Kotlin DSL syntax#10154

AbdeMohlbi wants to merge 3 commits intoflutter:mainflutter/packages:mainfrom

AbdeMohlbi:AbdeMohlbi_camera_build_files_refactorAbdeMohlbi/packages:AbdeMohlbi_camera_build_files_refactorCopy head branch name to clipboard