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

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https://hg.mozilla.org/integration/gaia-central/rev/b08f97de08e0
Author: solfen <solfen@hotmail.com>
Desc: Bug 1010236 - [Messages] When setting recipients.length, we should rerender only if the length decreases r=julien

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https://hg.mozilla.org/integration/gaia-central/rev/1c3fba2e6f46
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Merge pull request #25119 from gabrielesvelto/bug-834530-emergency-dtmf

Bug 834530 - Improvements to the emergency and dialer keypad touch tones

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https://hg.mozilla.org/integration/gaia-central/rev/265b5398777e
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Bug 834530 - Make the TonePlayer handle the channel sounds will be played on r=drs

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https://hg.mozilla.org/integration/gaia-central/rev/b0ac352e5751
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Bug 834530 - Import fixes for audible tones, dialtones and tactile feedback from the shared dialer r=drs

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https://hg.mozilla.org/integration/gaia-central/rev/d44000f26935
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #25757 from gasolin/issue-1092893

Bug 1092893 - [System2] Implement BluetoothCore, r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/efd90732ca9b
Author: gasolin <gasolin@gmail.com>
Desc: Bug 1092893 - [System2] Implement BluetoothCore
Bumping manifests a=b2g-bump