Bumping gaia.json for 8 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/4728acf960ee
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #24387 from eliperelman/bug-1072231

Bug 1072231 - Adjusting height of generic dialogs to compensate for SHB

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https://hg.mozilla.org/integration/gaia-central/rev/d92fd14b6f3d
Author: Eli Perelman <eli@eliperelman.com>
Desc: Bug 1072231 - Adjusting height of generic dialogs to compensate for SHB r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/795bcbfc4300
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #24385 from anefzaoui/bug-1072029

Bug 1072029 - Notifications layout should not be empty or misaligned in Arabic.

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https://hg.mozilla.org/integration/gaia-central/rev/cf8d798177ab
Author: Ahmed Nefzaoui <nefzaoui.ahmed@hotmail.com>
Desc: Bug 1072029 - Notifications layout should not be empty or misaligned in Arabic.

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https://hg.mozilla.org/integration/gaia-central/rev/1c7616e58da6
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #24347 from eliperelman/bug-1071388

Bug 1071388 - Hide the SHB during the boot logo sequence

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https://hg.mozilla.org/integration/gaia-central/rev/c1127c7ad214
Author: Eli Perelman <eli@eliperelman.com>
Desc: Bug 1071388 - Hide the SHB during the boot logo sequence r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/3d387c3862ee
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #24243 from ddrmanxbxfr/bug_1069808

Bug 1069808 - Make the LazyLoader.getJSON() helper invoke reject() in ca...

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https://hg.mozilla.org/integration/gaia-central/rev/3503a3629df9
Author: Mathieu Rhéaume <mathieu@codingrhemes.com>
Desc: Bug 1069808 - Make the LazyLoader.getJSON() helper invoke reject() in case of errors instead of resolving the promise to null
Bumping manifests a=b2g-bump