[Android 16] Update All Sample Apps to SDK 36

[jesswrd]

Updated sample apps to be on SDK 36. I migrated any projects from imperative to declarative Gradle. The following is all sample apps that need to be updated to SDK 36:

• add_to_app/android_view/flutter_module_using_plugin/build/native_assets/android
• add_to_app/multiple_flutters/multiple_flutters_module/build/native_assets/android
• android_splash_screen/android
• android_splash_screen/build/native_assets/android
• animations/android
• asset_transformation/android
• code_sharing/client/android
• compass_app/app/android
• context_menus/android
• deeplink_store_example/android
• dynamic_theme/android
• experimental/federated_plugin/federated_plugin/android
• experimental/federated_plugin/federated_plugin/example/android
• experimental/varfont_shader_puzzle/android
• form_app/android
• game_template/android
• gemini_tasks/android
• google_maps/android
• infinite_list/android
• isolate_example/android
• material_3_demo/android
• navigation_and_routing/android
• pedometer/android
• pedometer/example/android
• place_tracker/android
• platform_channels/android
• platform_design/android
• provider_counter/android
• provider_shopper/android
• simple_shader/android
• simplistic_calculator/android
• simplistic_editor/android
• testing_app/android

Pre-launch Checklist

• I read the Flutter Style Guide recently, and have followed its advice.
• I signed the CLA.
• I read the Contributors Guide.
• I have added sample code updates to the changelog.
• I updated/added relevant documentation (doc comments with ///).

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