Bumping gaia.json for 6 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/903f1326433c
Author: viorelaioia <viorelaioia@gmail.com>
Desc: Merge pull request #23147 from chirarobert/sim_contacts

Bug 1043905 - Add contacts to the SIM in setUp

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https://hg.mozilla.org/integration/gaia-central/rev/96fc674bf4ee
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1043905 - Add contacts to the SIM in setUp

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https://hg.mozilla.org/integration/gaia-central/rev/050ae78654f8
Author: steveck-chung <schung@mozilla.com>
Desc: Merge pull request #22949 from kumarrishav/Bug-1053119

Bug 1053119 - Adding contact images in Thread list edit mode of SMS app and modification in existing Transition/Animations. r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/c17482b6c337
Author: kumarrishav <rishav006@gmail.com>
Desc: Bug 1053119 - Adding contact images in Thread list edit mode of SMS app and modification in existing Transition/Animations

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https://hg.mozilla.org/integration/gaia-central/rev/8a3ad90a4424
Author: Cristian Rodriguez <crdlc@tid.es>
Desc: Merge pull request #23350 from crdlc/bug-1059095

Bug 1059095 - After uninstalling a bookmark and previously added to a sm...

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https://hg.mozilla.org/integration/gaia-central/rev/0e2b20e2d5c5
Author: crdlc <crdlc@tid.es>
Desc: Bug 1059095 - After uninstalling a bookmark and previously added to a smart collection, the smart collection icon is not updated
Bumping manifests a=b2g-bump