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

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https://hg.mozilla.org/integration/gaia-central/rev/20168400441a
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #24132 from jmcanterafonseca/del_ice_contact

Bug 1061420 - [Contacts] Delete all numbers which belong to an ICE conta...

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https://hg.mozilla.org/integration/gaia-central/rev/de074d10cd78
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Bug 1061420 - [Contacts] Delete all numbers which belong to an ICE contact, that ICE should be removed from ICE list
Bumping manifests a=b2g-bump