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

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https://hg.mozilla.org/integration/gaia-central/rev/f44b0c133388
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Revert "Revert "Merge pull request #12892 from comoyo/value_selector_inputcontext""

This reverts commit a8606f77a25fab9497c7130eac6cf7a29a2783ac.