Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/ee7c5efe7a7f
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #19142 from kamituel/Bug_1007569

Bug 1007569: Fixed screen hang issue. Fixed UI to match UX spec.

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https://hg.mozilla.org/integration/gaia-central/rev/c6c8b5a8cc28
Author: Kamil Leszczuk <kamituel@gmail.com>
Desc: Bug 1007569: Fixed screen hang issue. Fixed UI to match UX spec.

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https://hg.mozilla.org/integration/gaia-central/rev/8fd4eb80664c
Author: Alive.Kuo <alegnadise@gmail.com>
Desc: Merge pull request #19209 from alivedise/bugzilla/1003870/resize-on-all-closed

Bug 1003870 - Resize anyway if app is opened, r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/eb771f149492
Author: Alive Kuo <alegnadise@gmail.com>
Desc: Bug 1003870 - Resize anyway if app is opened
Bumping manifests a=b2g-bump