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

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https://hg.mozilla.org/integration/gaia-central/rev/00917e17bcbe
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #24935 from RudyLu/winMgr/bug1077609

Bug 1077609 - [Keyboard] When app permissions page asks user to add
r=timdream.

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https://hg.mozilla.org/integration/gaia-central/rev/6fb82f7acac6
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 1077609 - [Keyboard] When app permissions page asks user to add
keyboard, home button does not take user to home screen.
 - Hide IME setup and list dialog when home button is pressed.

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https://hg.mozilla.org/integration/gaia-central/rev/9c025386f943
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #24988 from RudyLu/keyboard/Bug1016824-Czech_qwertz

Bug 1016824 - Czech layout should be Qwertz.
r=timdream.

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https://hg.mozilla.org/integration/gaia-central/rev/5d28a5db3105
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 1016824 - Czech layout should be Qwertz.

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https://hg.mozilla.org/integration/gaia-central/rev/d53e3e7b8978
Author: Min-Zhong "John" Lu <jlu@mozilla.com>
Desc: Merge pull request #24969 from mnjul/bug_1075970_ensure_one_to_one_mapping

Bug 1075970 - Ensure that the forward (DOMElem->TargetObj) and reverse (TargetObj->DOMElem) maps are one-to-one mapping. r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/3f0cebda892d
Author: John Lu [:mnjul] <jlu@mozilla.com>
Desc: Bug 1075970 - Ensure that the forward (DOMElem->TargetObj) and reverse (TargetObj->DOMElem) maps are one-to-one mapping

Done by creating "reference stubs" to target objects when we're inserting things to the maps.
Bumping manifests a=b2g-bump