Bumping gaia.json for 2 gaia-1_2f revision(s) a=gaia-bump
Truncated some number of revisions since the previous bump.

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https://hg.mozilla.org/integration/gaia-1_2f/rev/1cb81e7f5bae
Author: dwi2 <dwi2@dwi2.com>
Desc: Merge pull request #14607 from dwi2/bug894744_v1.2f

Bug 894744 - Use localStorage event to make inter-page communi...

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https://hg.mozilla.org/integration/gaia-1_2f/rev/379c05275118
Author: tzhuang <tzhuang@mozilla.com>
Desc: Bug 894744 - Use localStorage event to make inter-page communication between music app and music activity