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

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https://hg.mozilla.org/integration/gaia-central/rev/e705c15f2d2a
Author: Bob Silverberg <bob.silverberg@gmail.com>
Desc: Merge pull request #19033 from bobsilverberg/network_log

Bug 1007094 - Log when a device is unable to connect to wifi and fails over to cell data

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https://hg.mozilla.org/integration/gaia-central/rev/2c0349e8ffd7
Author: Bob Silverberg <bob.silverberg@gmail.com>
Desc: Bug 1007094 - Log when a device is unable to connect to wifi and fails over to cell data
Bumping manifests a=b2g-bump