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

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https://hg.mozilla.org/integration/gaia-1_3/rev/c7ae631acd92
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #19085 from davidflanagan/bug995540

Bug 995540: stop recording video before ringer or alarm sound is heard r=dmarcos,alive

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https://hg.mozilla.org/integration/gaia-1_3/rev/f22ecbbd6811
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Bug 995540: stop recording video before ringer or alarm sound is heard
Bumping manifests a=b2g-bump