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

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https://hg.mozilla.org/integration/gaia-central/rev/e718ab2615a4
Author: George <georgeiscoming@gmail.com>
Desc: Merge pull request #25099 from cctuan/1081860

Bug 1081860 - [NFC][KK] Wording on shrinking UI truncate when keyboard shows up

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https://hg.mozilla.org/integration/gaia-central/rev/602f967a75f2
Author: cctuan <georgeiscoming@gmail.com>
Desc: Bug 1081860 - [NFC][KK] Wording on shrinking UI truncate when keyboard shows up
Bumping manifests a=b2g-bump