Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/cb07c60a7b12
Author: Sergi Mansilla <sergi.mansilla@gmail.com>
Desc: Merge pull request #19505 from sergi/responsive_airplane_mode

Bug 1014262 - Airplane mode icon in status bar is not responsive [r=ettiene]

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https://hg.mozilla.org/integration/gaia-central/rev/f2565b1193b8
Author: Sergi Mansilla <sergi.mansilla@gmail.com>
Desc: Bug 1014262 - Airplane mode icon in status bar is not responsive

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https://hg.mozilla.org/integration/gaia-central/rev/5a3411c1725c
Author: Carsten Book <tomcat@mozilla.com>
Desc: Merge pull request #19616 from kamituel/Bug_1015143_mailto

Bug 1015143 - Support for mailto: URI in NDEF tags. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/c167f61d3e8e
Author: Kamil Leszczuk <kamituel@gmail.com>
Desc: Bug 1015143: Support for mailto: URI in NDEF tags
Bumping manifests a=b2g-bump