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

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https://hg.mozilla.org/integration/gaia-central/rev/9e112149f855
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Merge pull request #26752 from eeejay/bug-1104198-take-3

Bug 1104198 - Make DESKTOP builds work with mulet, remove DESKTOP_SHIMS. r=ochameau

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https://hg.mozilla.org/integration/gaia-central/rev/9864c8e16cc6
Author: Eitan Isaacson <eitan@monotonous.org>
Desc: Bug 1104198 - Make DESKTOP builds work with mulet, remove DESKTOP_SHIMS.
Bumping manifests a=b2g-bump