Use the new Blueprint path for SDK build

This is necessary since the Blueprint files were moved.

Change-Id: If4281e1b8a407cdcb017fa7076e7090931233382
diff --git a/scripts/build-sdk.sh b/scripts/build-sdk.sh
index c811d1d..3e88cf4 100755
--- a/scripts/build-sdk.sh
+++ b/scripts/build-sdk.sh
@@ -39,7 +39,7 @@
 else
   ninja -C ${OUT_DIR} sysroot-distclean
 fi
-${JIRI_ROOT}/.jiri_root/bin/toyen -src "${JIRI_ROOT}" -out "${OUT_DIR}" "${JIRI_ROOT}/packages/root.bp"
+${JIRI_ROOT}/.jiri_root/bin/toyen -src "${JIRI_ROOT}" -out "${OUT_DIR}" "${JIRI_ROOT}/packages/blueprint/root.bp"
 ninja -C "${OUT_DIR}" -j1 sysroot
 
 readonly MAGENTA_BINARIES=("magenta.bin" "magenta.elf")