Flutter Pi, out of memory test.

Host:

1. clone flutter-pi-oom
2. copy gen_snapshot_linux_x64 to project root
3. Build release version ./build_linux.sh && ./build_aot.sh

RaPi:

0. create flutter-pi-oom folder and flutter-pi-oom/images
1. copy flutter-pi, icudtl.dat, libflutter_engine.so.debug, libflutter_engine.so.release to flutter-pi-oom/
2. copy flutter-pi-oom/build/flutter_assets to RaPi flutter-pi-oom/flutter_assets
3. extract images.7z all files to flutter-pi-oom/images
4. delete images.7z
5. exec ./run.sh or flutter in release mode
6. wait 10min, OOM :)