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

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https://hg.mozilla.org/integration/gaia-central/rev/e5b0b435aed0
Author: evelynhung <jj.evelyn@gmail.com>
Desc: Merge pull request #17419 from shamenchens/Bug934169-Permission-MoreInfo

Bug 934169 - Permission dialog more info/hide info, r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/c078f5ba03df
Author: Sherman Chen <shamen.chens@gmail.com>
Desc: Bug 934169 - Permission dialog more info/hide info

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https://hg.mozilla.org/integration/gaia-central/rev/213ffe108e72
Author: John Hu <johu@mozilla.com>
Desc: Merge pull request #17555 from shamenchens/Bug984834-Video-Playback

Bug984834 Video Playback workaround patch, r=johnhu

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https://hg.mozilla.org/integration/gaia-central/rev/255870dde9b5
Author: Sherman Chen <shamen.chens@gmail.com>
Desc: Bug984834 Video Playback workaround patch
Bumping manifests a=b2g-bump