Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_0/rev/ea69e672a4da
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #21062 from guilherme-pg/bug1025193-2.0

Bug 1025193 - Send a list of accepted commands when registering for Find...

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https://hg.mozilla.org/integration/gaia-2_0/rev/cf8ca28fc71e
Author: Guilherme Goncalves <guilherme.p.gonc@gmail.com>
Desc: Bug 1025193 - Send a list of accepted commands when registering for Find My Device.

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https://hg.mozilla.org/integration/gaia-2_0/rev/956142f62628
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #21081 from guilherme-pg/bug947985-2.0

Bug 947985 - Include final icon for Find My Device.

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https://hg.mozilla.org/integration/gaia-2_0/rev/0967ab1801f9
Author: Guilherme Goncalves <guilherme.p.gonc@gmail.com>
Desc: Bug 947985 - Include final icon for Find My Device.
Bumping manifests a=b2g-bump