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

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https://hg.mozilla.org/integration/gaia-2_1/rev/f1d5a7ce1319
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Revert "Merge pull request #26297 from gmarty/Bug-1095142-Dialer-screen-does-not-fully-cover-lockscreen a=bajaj"

This reverts commit f20bbb0e24c065499df176a390c6d0e45d90eeb3.
Bumping manifests a=b2g-bump