flutter.engine.src: actually fix making logs silent

    cd $out

    export PATH=$PATH:$depot_tools

    python3 $depot_tools/gclient.py sync --no-history --shallow --nohooks >/dev/null

    python3 $depot_tools/gclient.py sync --no-history --shallow --nohooks 2>&1 >/dev/null

    find $out -name '.git' -exec dirname {} \; | xargs bash -c 'make_deterministic_repo $@' _

    find $out -path '*/.git/*' ! -name 'HEAD' -prune -exec rm -rf {} \;

    find $out -name '.git' -exec mkdir {}/logs \;

    find $out -name '.git' -exec cp {}/HEAD {}/logs/HEAD \;

    python3 src/build/linux/sysroot_scripts/install-sysroot.py --arch=${constants.arch} >/dev/null

    python3 src/build/linux/sysroot_scripts/install-sysroot.py --arch=${constants.arch} 2>&1 >/dev/null

    rm -rf $out/.cipd $out/.gclient $out/.gclient_entries $out/.gclient_previous_custom_vars $out/.gclient_previous_sync_commits

  ''