add logging

Author: cccclai

backends/qualcomm/scripts/download_qnn_sdk.py

@@ -440,6 +440,7 @@ def install_qnn_sdk() -> bool:
     Returns:
         True if both steps succeeded (or were already satisfied), else False.
     """
+    ok_libc = check_glibc_exist_and_validate()
     ok_libcxx = _ensure_libcxx_stack()
     ok_qnn = _ensure_qnn_sdk_lib()
-    return bool(ok_qnn and ok_libcxx)
+    return bool(ok_qnn and ok_libcxx and ok_libc)