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

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https://hg.mozilla.org/integration/gaia-central/rev/e68d2771a8d5
Author: Tzu-Lin Huang <dwi019@gmail.com>
Desc: Merge pull request #26436 from dwi2/bug1103339

Bug 1103339 - System app should not process keydown/keyup event target t...

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https://hg.mozilla.org/integration/gaia-central/rev/e73305953dad
Author: Tzu-Lin Huang <tzhuang@mozilla.com>
Desc: Bug 1103339 - System app should not process keydown/keyup event target to embedded iframe

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https://hg.mozilla.org/integration/gaia-central/rev/25343f6b5ce7
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #26244 from mancas/bug1098611

Bug 1098611 - [FTU] UI does not update when switching networks in FTU

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https://hg.mozilla.org/integration/gaia-central/rev/353b8bfebe28
Author: Manuel Casas <manuel.casasbarrado@telefonica.com>
Desc: Bug 1098611 - [FTU] UI does not update when switching networks in FTU

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https://hg.mozilla.org/integration/gaia-central/rev/638251bd179a
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #26324 from weideng/bug1098188

Bug 1098188 - Keyboard settings can't be pre-localized when handwriting layout included. r=stas

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https://hg.mozilla.org/integration/gaia-central/rev/ec9d4716e825
Author: wdeng <wdeng@mozilla.com>
Desc: Bug 1098188 - Keyboard settings can't be pre-localized when handwriting layout included

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https://hg.mozilla.org/integration/gaia-central/rev/6b8a77262b3c
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #26474 from xeonchen/bug-1096236

Bug 1096236 - Remove "alternateLayoutOverwrite" in Arabic layout definition

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https://hg.mozilla.org/integration/gaia-central/rev/8e6e5753330f
Author: Liang-Heng Chen <xeonchen@mozilla.com>
Desc: Bug 1096236 - Remove "alternateLayoutOverwrite" in Arabic layout definition.
Bumping manifests a=b2g-bump