Bumping gaia.json for 6 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/6f06116db805
Author: Rudy Lu <left.lu@gmail.com>
Desc: Merge pull request #11689 from luke-chang/900907_update_pinyin_ux_merged

Bug 900907 - [Keyboard] Update the pinyin IME layout with UX specification. r=yxl, rudylu.

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https://hg.mozilla.org/integration/gaia-central/rev/c099c462a905
Author: Luke Chang <lchang@mozilla.com>
Desc: Bug 900907 - [Keyboard] Update the pinyin IME layout with the UX specification

- optimize candidates rendering performance
- add candidate panel paging mechanism
- drop traditional chinese support

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https://hg.mozilla.org/integration/gaia-central/rev/b834c240513b
Author: Julien Wajsberg <felash@gmail.com>
Desc: Merge pull request #11884 from fabi1cazenave/smsMissingEntity-bug911709

Bug 911709 - [MMS] missing l10n entity

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https://hg.mozilla.org/integration/gaia-central/rev/f9cbea4ac8f4
Author: Fabien Cazenave <fabien@cazenave.cc>
Desc: Bug 911709 - [MMS] missing l10n entity

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https://hg.mozilla.org/integration/gaia-central/rev/ef9cfba20330
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #11851 from crh0716/908557

Bug 908557 - Remove the affiliated option r=evelyn

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https://hg.mozilla.org/integration/gaia-central/rev/bcf920de7d0a
Author: Arthur Chen <crh0716@gmail.com>
Desc: Bug 908557 - Remove the affiliated option