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

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https://hg.mozilla.org/integration/gaia-central/rev/ee14d1bd0836
Author: Albert <alberto.crespellperez@telefonica.com>
Desc: Merge pull request #21304 from acperez/bug-1029394

Bug 1029394 - Cannot change call forwarding rules unless the user disables them previously.r=jaoo

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https://hg.mozilla.org/integration/gaia-central/rev/0d3761992cb0
Author: Albert <alberto.crespellperez@telefonica.com>
Desc: Bug 1029394 - Cannot change call forwarding rules unless the user disables them previously.r=jaoo
Bumping manifests a=b2g-bump