Treat skia as an non-bazel project.

prepare.sh

@@ -17,13 +17,20 @@ fi
 
 cd $SKIA_PATH
 
-builds=$(find . | grep -e "[^.]*\.bazel$")
-if [ ! -z "$builds" ]; then
-   rm $builds
+# There is no deps resolve rules provide by skia
+# so unable to handle transitive deps of skia.
+# Just treat it as an non-bazel projects, which
+# require to remove all bazel related files.
+if [ -f "WORKSPACE.bazel" ]; then
+    builds=$(find . | grep -e "[^.]*\.bazel$" | xargs)
+    if [ ! -z "$builds" ]; then
+    rm $builds
+    fi
 fi
 
+
 python3 tools/git-sync-deps
-bin/gn gen out/Shared --args='is_official_build=true is_component_build=true skia_use_system_harfbuzz=false'
+bin/gn gen out/Shared --args='is_official_build=true is_component_build=true skia_use_system_harfbuzz=false skia_enable_svg=true'
 ninja -C out/Shared