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

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https://hg.mozilla.org/integration/gaia-central/rev/f017d9562476
Author: Diego Marcos <diego.marcos@gmail.com>
Desc: Merge pull request #17840 from hyunacho/bug990404

Bug 990404 - [Camera] Can click the hidden gallery/thumbnail button duri...

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https://hg.mozilla.org/integration/gaia-central/rev/df90b87f5506
Author: hyuna.cho <hyuna.cho@lge.com>
Desc: Bug 990404 - [Camera] Can click the hidden gallery/thumbnail button during the recording
Bumping manifests a=b2g-bump