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

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https://hg.mozilla.org/integration/gaia-central/rev/922428a1c163
Author: Fernando Campo <fernando.campo@o2.com>
Desc: Merge pull request #17452 from fcampo/no-name-contact-header-985948

Bug 985948 - Empty title for contacts without name (r=jmcf)

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https://hg.mozilla.org/integration/gaia-central/rev/9b977c7bf9cc
Author: Fernando Campo <fernando.campo@o2.com>
Desc: Bug 985948 - Empty title for contacts without name

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https://hg.mozilla.org/integration/gaia-central/rev/cbef075f1b86
Author: steveck-chung <schung@mozilla.com>
Desc: Merge pull request #17558 from ankit93040/963875_Service_currently_unavailable_message_provides_user_with_incorrect_information

963875_Service_Currently_unavailable_message_provides_user_with_incorrect_info. r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/363939302bcf
Author: ankit.agrawal <ankit.agrawal@lge.com>
Desc: 963875_Service_Currently_unavailable_message_provides_user_with_incorrect_info

963875_Service_Currently_Unavailable_messgae_provides_user_with_incorrect_info

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https://hg.mozilla.org/integration/gaia-central/rev/c99cd70699e7
Author: Arnau <arnau@arnaumarch.com>
Desc: Merge pull request #17443 from rnowm/951670

Bug 951670 - Contacts list edit mode: Update layout r=gtorodelvalle

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https://hg.mozilla.org/integration/gaia-central/rev/7b4df3b9b33e
Author: rnowm <arnau@arnaumarch.com>
Desc: Bug 951670 - Contacts list edit mode: Update layout
Bumping manifests a=b2g-bump