Bumping gaia.json for 4 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/131946338361
Author: James Lal <james@lightsofapollo.com>
Desc: Merge pull request #12484 from lightsofapollo/revert-xpcshell-nice

Revert "Bug 906316 - Don't download the xulrunner SDK each time we chang...

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https://hg.mozilla.org/integration/gaia-central/rev/837519b9bf26
Author: James Lal <james@lightsofapollo.com>
Desc: Revert "Bug 906316 - Don't download the xulrunner SDK each time we change a branch if their configuration are different r=yurenju,asuth,ochameau"

This reverts commit 106001c4e0ab9253001bed815c03f46b8dd046f0.

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https://hg.mozilla.org/integration/gaia-central/rev/f590c3659ec3
Author: steveck-chung <schung@mozilla.com>
Desc: Merge pull request #12465 from steveck-chung/bug-919898

Bug 919898 - [B2G][Helix][Date]The SMS is wrong when the time is set to old time. r=julienw

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https://hg.mozilla.org/integration/gaia-central/rev/b7756926909f
Author: Steve Chung <schung@mozilla.com>
Desc: Bug 919898 - [B2G][Helix][Date]The SMS is wrong when the time is set to old time