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

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https://hg.mozilla.org/integration/gaia-central/rev/e4a2fae8077f
Author: Dominic Kuo <dkuo@mozilla.com>
Desc: Merge pull request #20122 from dominickuo/bug-1006413

Bug 1006413 - [Music] also resume the player when the status before SCO is mozinterruptbegin, r=jimporter

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https://hg.mozilla.org/integration/gaia-central/rev/2386d71563fe
Author: Dominic Kuo <dkuo@mozilla.com>
Desc: Bug 1006413 - [Music] also resume the player when the status before SCO is mozinterruptbegin
Bumping manifests a=b2g-bump