Bumping gaia.json for 5 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/dbcde4fcff9e
Author: Francisco Jordano <fjordano@mozilla.com>
Desc: Bug 1050722 - Reduce overpaint of the contacts app r=arcturus

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https://hg.mozilla.org/integration/gaia-central/rev/0210a1bc308c
Author: John Hu <johu@mozilla.com>
Desc: Merge pull request #22761 from huchengtw-moz/bug-1045523-rwd-device-type-2

Bug 1045523 - customize default window size of responsive web design, r=yurenju

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https://hg.mozilla.org/integration/gaia-central/rev/afb2d55d2977
Author: John Hu <im@john.hu>
Desc: Bug 1045523 - customize default window size of responsive web design

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https://hg.mozilla.org/integration/gaia-central/rev/1a0177f6b96b
Author: Aleh Zasypkin <aleh.zasypkin@gmail.com>
Desc: Merge pull request #22712 from azasypkin/bug-1048362-highlight-composer

Bug 1048362 - [Messages] Compose Panel refresh (highlight actionable part). r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/e525a54b441e
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 1048362 - [Messages] Compose Panel refresh (highlight actionable part). r=schung
Bumping manifests a=b2g-bump