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

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https://hg.mozilla.org/integration/gaia-central/rev/e97d8fdda355
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #20621 from arcturus/bug-1022879

Bug 1022879 - [B2G][NFC] Deleted contacts are still being sent and received through NFC r=michalb

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https://hg.mozilla.org/integration/gaia-central/rev/5f2be485b601
Author: Francisco Jordano <fjordano@mozilla.com>
Desc: Bug 1022879 - [B2G][NFC] Deleted contacts are still being sent and received through NFC

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https://hg.mozilla.org/integration/gaia-central/rev/507ee0590364
Author: Dale Harvey <dale@arandomurl.com>
Desc: Bug 1023819 - Add clear button to rocketbar. r=kgrandon
Bumping manifests a=b2g-bump