Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/0cd305abe313
Author: Arthur Chen <crh0716@gmail.com>
Desc: Revert "Bug 973436 - Refactor the battery panel using AMD modules"

This reverts commit a4f516bd58d95f2a1a02a81f3495cf9a4778c129.

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https://hg.mozilla.org/integration/gaia-central/rev/aacefc6e4d10
Author: Luke Chang <lchang@mozilla.com>
Desc: Merge pull request #17845 from luke-chang/987496_hindi_input_method

Bug 987496 - Adding Hindi Input Method for B2G, r=rudylu

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https://hg.mozilla.org/integration/gaia-central/rev/d96484a03437
Author: Luke Chang <lchang@mozilla.com>
Desc: Bug 987496 - Adding Hindi Input Method for B2G
Bumping manifests a=b2g-bump