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

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https://hg.mozilla.org/integration/gaia-central/rev/bf74014e2f52
Author: viorelaioia <viorela.ioia@softvision.ro>
Desc: Merge pull request #25405 from bebef1987/rocket

Bug 1086563 - Write test to verify offline behaviour of the RocketBar

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https://hg.mozilla.org/integration/gaia-central/rev/950111501741
Author: Bebe <bebe@mozilla.ro>
Desc: Bug 1086563 - Write test to verify offline behaviour of the RocketBar
Bumping manifests a=b2g-bump