Fix build_pip_package.sh
Fix build_pip_package.sh

Revert the build_pip_package.sh change in https://github.com/tensorflow/tensorflow/pull/45404
, which caused the keras package to be under unexpected tensorflow.python.keras

PiperOrigin-RevId: 352513398
Change-Id: Ic8f0448cbbe535faba8f774489276be59efbee34

Intel-tensorflow/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,petewarden/tensorflow,tensorflow/tensorflow-pywrap_saved_model,gautam1858/tensorflow,paolodedios/tensorflow,gautam1858/tensorflow,sarvex/tensorflow,sarvex/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,frreiss/tensorflow-fred,karllessard/tensorflow,tensorflow/tensorflow,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,karllessard/tensorflow,tensorflow/tensorflow-pywrap_saved_model,frreiss/tensorflow-fred,karllessard/tensorflow,yongtang/tensorflow,frreiss/tensorflow-fred,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,petewarden/tensorflow,paolodedios/tensorflow,yongtang/tensorflow,karllessard/tensorflow,petewarden/tensorflow,annarev/tensorflow,Intel-Corporation/tensorflow,yongtang/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-experimental_link_static_libraries_once,yongtang/tensorflow,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,sarvex/tensorflow,petewarden/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_saved_model,Intel-Corporation/tensorflow,frreiss/tensorflow-fred,Intel-tensorflow/tensorflow,karllessard/tensorflow,gautam1858/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_saved_model,gautam1858/tensorflow,petewarden/tensorflow,tensorflow/tensorflow,gautam1858/tensorflow,sarvex/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-experimental_link_static_libraries_once,gautam1858/tensorflow,paolodedios/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,annarev/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,petewarden/tensorflow,karllessard/tensorflow,karllessard/tensorflow,petewarden/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,petewarden/tensorflow,paolodedios/tensorflow,gautam1858/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,Intel-Corporation/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,annarev/tensorflow,frreiss/tensorflow-fred,annarev/tensorflow,sarvex/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,tensorflow/tensorflow-pywrap_tf_optimizer,gautam1858/tensorflow,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow-pywrap_saved_model,annarev/tensorflow,gautam1858/tensorflow,petewarden/tensorflow,Intel-tensorflow/tensorflow,yongtang/tensorflow,karllessard/tensorflow,annarev/tensorflow,petewarden/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,Intel-tensorflow/tensorflow,yongtang/tensorflow,Intel-Corporation/tensorflow,Intel-Corporation/tensorflow,tensorflow/tensorflow,frreiss/tensorflow-fred,Intel-tensorflow/tensorflow,frreiss/tensorflow-fred,paolodedios/tensorflow,Intel-tensorflow/tensorflow,paolodedios/tensorflow,yongtang/tensorflow,paolodedios/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow,yongtang/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,Intel-Corporation/tensorflow,sarvex/tensorflow,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow,Intel-tensorflow/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow-pywrap_tf_optimizer,tensorflow/tensorflow-pywrap_saved_model,tensorflow/tensorflow,sarvex/tensorflow,annarev/tensorflow,yongtang/tensorflow,frreiss/tensorflow-fred,annarev/tensorflow,paolodedios/tensorflow,paolodedios/tensorflow,karllessard/tensorflow,gautam1858/tensorflow,tensorflow/tensorflow,karllessard/tensorflow,tensorflow/tensorflow-experimental_link_static_libraries_once,tensorflow/tensorflow,tensorflow/tensorflow-pywrap_saved_model,paolodedios/tensorflow,tensorflow/tensorflow-pywrap_saved_model,paolodedios/tensorflow,annarev/tensorflow,annarev/tensorflow,tensorflow/tensorflow-pywrap_saved_model,annarev/tensorflow,sarvex/tensorflow,Intel-Corporation/tensorflow,yongtang/tensorflow