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

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https://hg.mozilla.org/integration/gaia-central/rev/2ed621396650
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Merge pull request #19890 from gabrielesvelto/bug-1005766-telephony-call-id

Bug 1005766 - Adjust applications to be forward-compatible with the TelephonyCall.id field

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https://hg.mozilla.org/integration/gaia-central/rev/5dd694be6945
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Bug 1005766 - Cleanup linter errors in the affected files r=drs

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https://hg.mozilla.org/integration/gaia-central/rev/ba5b439edc39
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Bug 1005766 - Adjust applications to be forward-compatible with the TelephonyCall.id field r=drs
Bumping manifests a=b2g-bump