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

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https://hg.mozilla.org/integration/gaia-central/rev/c4d3584c0e95
Author: Alive.Kuo <alegnadise@gmail.com>
Desc: Merge pull request #25118 from alivedise/bugzilla/1076327_master_final/ignore-screenchange-when-lockscreen-is-not-ready

Bug 1076327 - Ignore screenchange event if lockscreen is not ready, r=gweng

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https://hg.mozilla.org/integration/gaia-central/rev/fd03d134a6d1
Author: Alive Kuo <alegnadise@gmail.com>
Desc: Bug 1076327 - Ignore screenchange event if lockscreen is not ready
Bumping manifests a=b2g-bump