Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/ac150c74648f
Author: albertopq <albert.pastor@gmail.com>
Desc: Merge pull request #24393 from albertopq/1007948-sim-error-msg

Bug 1007948 - SIM Error message disappears on iccinfochange r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/c07c68153a04
Author: albertopq <apastor@mozilla.com>
Desc: Bug 1007948 - SIM Error message disappears on iccinfochange

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https://hg.mozilla.org/integration/gaia-central/rev/12d9ae8bdc32
Author: BavarianTomcat <tomcat@mozilla.com>
Desc: Revert "Bug 1068236 - Follow-up, bump package.json r=kgrandon" for unit test failures

This reverts commit 8f452cbfb9049ffab7adc5c9283d373fbbbedafd.
Bumping manifests a=b2g-bump