Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/e00c5945f59d
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #15453 from vingtetun/bug960120

Bug 960120 - [APZC] Can not scroll contacts tab of Dialer app. r=arnau

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https://hg.mozilla.org/integration/gaia-central/rev/7c1ab930eac5
Author: Vivien Nicolas <21@vingtetun.org>
Desc: Bug 960120 - [APZC] Can not scroll contacts tab of Dialer app. r=arnau
Bumping manifests a=b2g-bump