Run rav1e aarch64 fuzzer via cross-compilation

aarch64-linux.meson

[binaries]
c = 'aarch64-linux-gnu-gcc'
cpp = 'aarch64-linux-gnu-g++'
ar = 'aarch64-linux-gnu-ar'
strip = 'aarch64-linux-gnu-strip'
pkgconfig = 'pkg-config'

[properties]
needs_exe_wrapper = true

[host_machine]
system = 'gnu'
cpu_family = 'aarch64'
endian = 'little'
cpu = 'aarch64'

rav1e-aarch64-cross.sh

git clone https://code.videolan.org/videolan/dav1d.git
cp aarch64-linux.meson dav1d/package/crossfiles/
cd dav1d
mkdir build && cd build
meson .. --default-library=static --cross-file=../package/crossfiles/aarch64-linux.meson --prefix=/usr/aarch64-linux-gnu
ninja install
cd ../..

# TODO: Set runner to QEMU with additional flags
sudo ln -s /usr/aarch64-linux-gnu/lib/ld-linux-aarch64.so.1 /lib

git clone https://github.com/xiph/rav1e.git
cd rav1e
CARGO_TARGET_AARCH64_UNKNOWN_LINUX_GNU_LINKER=/usr/bin/aarch64-linux-gnu-gcc \
LD_LIBRARY_PATH=/usr/aarch64-linux-gnu/lib \
TARGET_PKG_CONFIG_ALLOW_CROSS=1 \
TARGET_PKG_CONFIG_PATH=/usr/aarch64-linux-gnu/lib/pkgconfig \
rustup run stable cross fuzz run --target=aarch64-unknown-linux-gnu -s none --release encode_decode