Bumping gaia.json for 2 gaia-1_2 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_2/rev/0ce10d72ba8f
Author: Julien Wajsberg <felash@gmail.com>
Desc: Merge pull request #14038 from julienw/941353-recipients-panel-overrides-composer

Bug 941353 - [B2G][SMS] When more than 12 recipients are added to a SMS ...
(cherry picked from commit d3a0e45b26a0698b62ce0edcb926e3053a2fba73)

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https://hg.mozilla.org/integration/gaia-1_2/rev/2562c815b433
Author: John Hu <johu@mozilla.com>
Desc: Merge pull request #13373 from huchengtw-moz/video/Bug_929801_date_locale

Bug 929801 - [B2G][1.2][l10n][Video] Videos’ time stamps are not transla..., r=djf
(cherry picked from commit cfeef22dee734e4bc640b34006541f95163d51c7)