Update Gaia API documents for #9756fd191f8ba6a44545b242cd095e4562e47f2c
    Revert "Merge pull request #15004 from cctuan/956004"

This reverts commit 6d59734b0b1700a594b4f80f415897e3e0fde682, reversing
changes made to 56958810b8c51a513b6ef3263a362da7c9922d7f.