Update build-script-impl

Fix quoting

Author: compnerd

utils/build-script-impl

@@ -3124,7 +3124,7 @@ function build_and_test_installable_package() {
             with_pushd "${PKG_TESTS_SANDBOX_PARENT}" \
                 call tar xzf "${package_for_host}"
 
-            if python -c import psutil ; then
+            if python -c "import psutil" ; then
               TIMEOUT_ARGS=--timeout=1200 # 20 minutes
             fi
             with_pushd "${PKG_TESTS_SOURCE_DIR}" \