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

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https://hg.mozilla.org/integration/gaia-central/rev/62d91514e132
Author: Yoshi Huang <allstars.chh@mozilla.com>
Desc: Merge pull request #21160 from kamituel/Bug_1031157_browser_nfc_manager_msgs

Bug 1031157: Remove not used messages from manifest. r=daleharvey

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https://hg.mozilla.org/integration/gaia-central/rev/1482c7f18682
Author: Kamil Leszczuk <kamituel@gmail.com>
Desc: Bug 1031157: Remove not used messages from manifest
Bumping manifests a=b2g-bump