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

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https://hg.mozilla.org/integration/gaia-central/rev/7bf01510f9af
Author: Sherman Chen <shamenchens@users.noreply.github.com>
Desc: Merge pull request #20654 from shamenchens/Bug1021481-App-Protocol-3

Bug 1021481 - Handle app:// protocol for DEBUG=1, r=ochameau

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https://hg.mozilla.org/integration/gaia-central/rev/a099b5c731e2
Author: Sherman Chen <shamen.chens@gmail.com>
Desc: Bug 1021481 - Handle app protocol for DEBUG=1 mode, with port change
Bumping manifests a=b2g-bump