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

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https://hg.mozilla.org/integration/gaia-central/rev/7fb1f8a824c7
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #17500 from viorelaioia/cost_control_tests

Bug 979914 - Investigate failure in test_cost_control_reset_wifi

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https://hg.mozilla.org/integration/gaia-central/rev/08958c790917
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 979914 - Investigate failure in test_cost_control_reset_wifi

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https://hg.mozilla.org/integration/gaia-central/rev/93f73bbf355e
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #17516 from Archaeopteryx/crashreportsConcatSettingsUp2Date

Bug 986846 - [settings] additional white space next to 'privacy policy' link in page about crash reports. r=evelyn

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https://hg.mozilla.org/integration/gaia-central/rev/b73be1be7765
Author: Sebastian Hengst <archaeopteryx@coole-files.de>
Desc: Bug 986846 - [settings] additional white space next to 'privacy policy' link in page about crash reports. r=evelyn

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https://hg.mozilla.org/integration/gaia-central/rev/d2730e14b7d8
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #17292 from flodolo/bug939791_settingskeyboard

Bug 939791 - [settings] keyboard: {{type}} in mustHaveOneKeyboard is empty for text keyboards

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https://hg.mozilla.org/integration/gaia-central/rev/4aa7584a540a
Author: Francesco Lodolo (:flod) <flod@lodolo.net>
Desc: Bug 939791 - [settings] keyboard: {{type}} in mustHaveOneKeyboard is empty for text keyboards
Bumping manifests a=b2g-bump