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

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https://hg.mozilla.org/integration/gaia-central/rev/b71fce2e3494
Author: chirarobert <robert.chira@softvision.ro>
Desc: Merge pull request #26484 from JohanLorenzo/bug-1098107

Bug 1098107 - Change the wait in AddNewNumber to avoid intermittent t…

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https://hg.mozilla.org/integration/gaia-central/rev/f8db0e1f12c7
Author: Johan Lorenzo <jlorenzo@mozilla.com>
Desc: Bug 1098107 - Change the wait in AddNewNumber to avoid intermittent timeout with test_dialer_add_contact on b2gdesktop

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https://hg.mozilla.org/integration/gaia-central/rev/8b49d7a47f59
Author: Aleh Zasypkin <aleh.zasypkin@gmail.com>
Desc: Merge pull request #26372 from azasypkin/bug-1101619-rtl-status-icon

Bug 1101619 - [Messages][RTL] Location of status (error, delivered, read) icon at Report panel seems wrong. r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/221c950766aa
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 1101619 - [Messages][RTL] Location of status (error, delivered, read) icon at Report panel seems wrong. r=schung
Bumping manifests a=b2g-bump