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

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https://hg.mozilla.org/integration/gaia-central/rev/41e288febd90
Author: Francisco Jordano <arcturus@ardeenelinfierno.com>
Desc: Merge pull request #20432 from KDDI-tech/r4_Bug972573

Bug972573, The selection screen for adding a contact with multiple phone...

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https://hg.mozilla.org/integration/gaia-central/rev/627a97fa7707
Author: Kotaro Oki <ko-oki@kddi-tech.com>
Desc: Bug972573, The selection screen for adding a contact with multiple phone numbers to a SMS message lacks a cancel, back, or 'x' button

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https://hg.mozilla.org/integration/gaia-central/rev/2b430cba323e
Author: Kotaro Oki <ko-oki@kddi-tech.com>
Desc: Bug972573, The selection screen for adding a contact with multiple phone numbers to a SMS message lacks a cancel, back, or 'x' button

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https://hg.mozilla.org/integration/gaia-central/rev/abdc2aaecfdb
Author: Kotaro Oki <ko-oki@kddi-tech.com>
Desc: Bug972573, The selection screen for adding a contact with multiple phone numbers to a SMS message lacks a cancel, back, or 'x' button

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https://hg.mozilla.org/integration/gaia-central/rev/7555958030b4
Author: Kotaro Oki <ko-oki@kddi-tech.com>
Desc: Bug972573, The selection screen for adding a contact with multiple phone numbers to a SMS message lacks a cancel, back, or 'x' button

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https://hg.mozilla.org/integration/gaia-central/rev/75a07a181eaf
Author: Kotaro Oki <ko-oki@kddi-tech.com>
Desc: Bug972573, The selection screen for adding a contact with multiple phone numbers to a SMS message lacks a cancel, back, or 'x' button
Bumping manifests a=b2g-bump