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

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https://hg.mozilla.org/integration/gaia-central/rev/b80972445abc
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #26949 from JohanLorenzo/bug-1114560

Bug 1114560 - Add a test to delete the whole phone number on the dialer

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https://hg.mozilla.org/integration/gaia-central/rev/d8c2a1d4e1f4
Author: Johan Lorenzo <jlorenzo@mozilla.com>
Desc: Bug 1114560 - Add a test to delete the whole phone number on the dialer

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https://hg.mozilla.org/integration/gaia-central/rev/f736743c14c3
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #26948 from JohanLorenzo/bug-1114559

Bug 1114559 - Add a test to check the presence of contacts' default image

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https://hg.mozilla.org/integration/gaia-central/rev/e5595ce485e2
Author: Johan Lorenzo <jlorenzo@mozilla.com>
Desc: Bug 1114559 - Add a test to check the presence of contacts' default image
Bumping manifests a=b2g-bump