Bumping gaia.json for 4 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/d3cad3562102
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Merge pull request #11876 from gabrielesvelto/bug-887157-disable-wappush

Bug 887157 - Support enabling/disabling WAP Push messages globally r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/8415aa08c012
Author: Gabriele Svelto <gabriele.svelto@gmail.com>
Desc: Bug 887157 - Support enabling/disabling WAP Push messages globally

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https://hg.mozilla.org/integration/gaia-central/rev/697e8066cd05
Author: Albert <acperez@tid.es>
Desc: Merge pull request #12031 from acperez/bug-913004

Bug 913004 - Matching does not work when the last name has lower capital letters. r=jmcf

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https://hg.mozilla.org/integration/gaia-central/rev/dbf8632fb2fb
Author: Albert <acperez@tid.es>
Desc: Bug 913004 - Matching does not work when the last name has lower capital letters. r=jmcf