Bumping gaia.json for 2 gaia-1_3 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/87624a5a8d4d
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #14730 from davidflanagan/bug936353-v1.3

Bug 936353: when confirming a pick from the camera, display the EXIF preview r=wilsonpage

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https://hg.mozilla.org/integration/gaia-1_3/rev/c67ebc5bd90d
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Bug 936353: when confirming a pick from the camera, display the EXIF preview, not the full-size image
(cherry picked from commit 21d0c957a3bd47d1c4fdeb2c7c24fd7f1d11cb7a)