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

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https://hg.mozilla.org/integration/gaia-central/rev/a695e3b85d81
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #13820 from hotzenklotz/932919_remove_border

Bug 932919 remove borders from image editor r=davidflanagan

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https://hg.mozilla.org/integration/gaia-central/rev/1904547858df
Author: Tom Herold <therold@mozilla.com>
Desc: Bug 932919 remove borders from image editor