Update Gaia API documents for #a291b92d7b43ffc398c9938dafefb0c313d5e3f9
    Revert "Revert "Bug 946724 - [e.me] Collection suggestions for unsupported languages should show English suggestions [r=ranbena]""

This reverts commit 1afe3de31a8974d301c38bfb5aad4c87bead5319.