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

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https://hg.mozilla.org/integration/gaia-central/rev/980f7a5528f0
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Merge pull request #23590 from Achal-Aggarwal/fix-1031695

Fixes #1031695 - [Contacts] Detail view not working in contacts when run... r=rik

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https://hg.mozilla.org/integration/gaia-central/rev/a0f857fee7ab
Author: Achal-Aggarwal <theachalaggarwal@gmail.com>
Desc: Bug 1031695 - [Contacts] Detail view not working in contacts when running in Firefox desktop.
Bumping manifests a=b2g-bump