Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/1116c5a45f5b
Author: russnicoletti <rnicoletti@mozilla.com>
Desc: Merge pull request #16531 from russnicoletti/bug-971141

Bug 971141 - make sure we don't leak memory when creating video thumbnails. r=johu

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https://hg.mozilla.org/integration/gaia-central/rev/fe26d0b46476
Author: Russ Nicoletti <rnicoletti@mozilla.com>
Desc: Bug 971141 - make sure we don't leak memory when creating video thumbnails during scanning
Bumping manifests a=b2g-bump