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

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https://hg.mozilla.org/integration/gaia-central/rev/bb6d34a4d2e6
Author: AndreiH <andrei.hutusoru@softvision.ro>
Desc: Merge pull request #21109 from bebef1987/dissmiss

Bug 1023048 - [UITest] The condition of keyboard dismiss is not correct

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https://hg.mozilla.org/integration/gaia-central/rev/fd7dc16f330d
Author: Bebe <bebe@mozilla.ro>
Desc: Bug 1023048 - [UITest] The condition of keyboard dismiss is not correct

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https://hg.mozilla.org/integration/gaia-central/rev/e056220e1371
Author: Douglas Sherk <github@sherk.me>
Desc: Merge pull request #21145 from DouglasSherk/1024460-conference-duplicates

 Bug 1024460 - [Dialer][Conference] Fix duplicate contact names and phone numbers in the conference participant list. r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/219f3fe24e50
Author: DouglasSherk <github@sherk.me>
Desc: Bug 1024460 - [Dialer][Conference] Fix duplicate contact names and phone numbers in the conference participant list. r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/d6dc39e978a6
Author: Douglas Sherk <github@sherk.me>
Desc: Merge pull request #21141 from DouglasSherk/1031916-dialer-conference-broken

Bug 1031916 - [Dialer][Conference] Fix bad check for hasOwnProperty on telephony.conferenceGroup. r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/71553abb86fb
Author: DouglasSherk <github@sherk.me>
Desc: Bug 1031916 - [Dialer][Conference] Fix bad check for hasOwnProperty on telephony.conferenceGroup. r=etienne
Bumping manifests a=b2g-bump