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

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https://hg.mozilla.org/integration/gaia-central/rev/ebb431673edc
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #26047 from davidflanagan/bug1079692

Bug 1079692: update video thumbnail title asynchonously so we don't block when user rotates phone r=johnhu

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https://hg.mozilla.org/integration/gaia-central/rev/56c7781bce82
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Bug 1079692: update video thumbnail title asynchonously so we don't block when the user rotates the phone

fix spelling error in method name

update test busted by spelling correction
Bumping manifests a=b2g-bump