Refactor log utils (#10973)

### What problem does this PR solve?

As title.

### Type of change

- [x] Refactoring

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

admin/server/admin_server.py

@@ -23,7 +23,7 @@ import traceback
 from werkzeug.serving import run_simple
 from flask import Flask
 from routes import admin_bp
-from api.utils.log_utils import init_root_logger
+from common.log_utils import init_root_logger
 from common.contants import SERVICE_CONF
 from common.config_utils import show_configs
 from api import settings