Update Gaia API documents for #c0664f9ae1111fe67d9b11009d01ebc01f7bea2c
    Merge pull request #15061 from EragonJ/bug-955954

Bug 955954 - "SIM 1" show up on some places on a one-SIM device
(cherry picked from commit 4c64dc55d4d69cca6ca81ccffa1bf72e9a3b3ee6)