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

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https://hg.mozilla.org/integration/gaia-central/rev/182659916f55
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #20088 from KevinGrandon/bug_1021096_vertical_hidden_roles

Bug 1021096 - The built-in keyboard app icon is present on the vertical homescreen, but should not be there

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https://hg.mozilla.org/integration/gaia-central/rev/fbee3256ce32
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1021096 - The built-in keyboard app icon is present on the vertical homescreen, but should not be there r=me

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https://hg.mozilla.org/integration/gaia-central/rev/f69ab7457a85
Author: punamdahiya <punamdahiya@yahoo.com>
Desc: Merge pull request #20052 from ranjithgithub/100701_FileNameDisplayOnTitleBarNoCropPickActivity

Bug 1000701 - [Gallery][Email] Display file name on title bar while not cropping using pick activity

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https://hg.mozilla.org/integration/gaia-central/rev/b33b1d1e7adf
Author: ranjith.gutha <ranjith.gutha@lge.com>
Desc: Bug 1000701 - [Gallery][Email] Display file name on title bar while not cropping using pick activity

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https://hg.mozilla.org/integration/gaia-central/rev/d94ee436f456
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #19998 from DimiL/bug_1020213

Bug 1020213 - [NFC] javascript error when send image/video via NFC

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https://hg.mozilla.org/integration/gaia-central/rev/726fc35594ed
Author: dlee <dlee@mozilla.com>
Desc: Bug 1020213 - [NFC] javascript error when send image/video via NFC
Bumping manifests a=b2g-bump