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

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https://hg.mozilla.org/integration/gaia-central/rev/326c64dcff8e
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #15370 from arcturus/bug-952482

Bug 952482 - [FTE] "SIM 1" is written to enter the PIN for the SIM, even...

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https://hg.mozilla.org/integration/gaia-central/rev/ed59d0a903a6
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Bug 952482 - [FTE] "SIM 1" is written to enter the PIN for the SIM, even when the phone is single sim