Add libyuv to tests/oss-fuzz/avif_decode_fuzzer

(cherry picked from commit 60bbef7c47a8d564189df603ec12d4a9b67a71a5)

tests/oss-fuzz/build.sh

diff --git a/tests/oss-fuzz/build.sh b/tests/oss-fuzz/build.sh
index e548384..9d40c9f 100755
--- a/tests/oss-fuzz/build.sh
+++ b/tests/oss-fuzz/build.sh
@@ -20,12 +20,14 @@
 # It builds the different fuzz targets.
 
 # build dav1d
-cd ext && bash dav1d.cmd && cd ..
+cd ext && bash dav1d.cmd && bash libyuv.cmd && cd ..
 
 # build libavif
 mkdir build
 cd build
-cmake -G Ninja -DBUILD_SHARED_LIBS=0 -DAVIF_CODEC_DAV1D=1 -DAVIF_LOCAL_DAV1D=1 ..
+cmake -G Ninja -DBUILD_SHARED_LIBS=OFF \
+    -DAVIF_CODEC_DAV1D=ON -DAVIF_LOCAL_DAV1D=ON \
+    -DAVIF_LOCAL_LIBYUV=ON ..
 ninja
 
 # build fuzzer