Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/f1059a5a8e6d
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Revert "Bug 987487 - [Gaia] [Build] Refactoring webapp-optimize.js and unit tests"
This broke a lot of apps.

This reverts commit 3cc2733bc0e5ec952a4c1edfc115b814b49edb95.
Bumping manifests a=b2g-bump