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

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https://hg.mozilla.org/integration/gaia-central/rev/190172ac413a
Author: Aleh Zasypkin <aleh.zasypkin@gmail.com>
Desc: Merge pull request #21418 from azasypkin/bug-985273-sim-number-label

Bug 985273 - [DSDS] SIM labels of missed calls & sms in Notification is different. r=julien

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https://hg.mozilla.org/integration/gaia-central/rev/2663b04d44ab
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 985273 - [DSDS] SIM labels of missed calls & sms in Notification is different. r=julien

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https://hg.mozilla.org/integration/gaia-central/rev/cceb7dc51cd6
Author: Jared Hirsch <ohai@6a68.net>
Desc: Merge pull request #21296 from 6a68/bug-1032903-erase-all-storages

Bug 1032903 - Erase internal storage if SDcard is default. r=ggp

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https://hg.mozilla.org/integration/gaia-central/rev/ec1c1afe90b0
Author: Jared Hirsch <ohai@6a68.net>
Desc: Bug 1032903 - Erase internal storage if SDcard is default. r=ggp
Bumping manifests a=b2g-bump