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

========

https://hg.mozilla.org/integration/gaia-2_0/rev/49ef14b261aa
Author: DouglasSherk <github@sherk.me>
Desc: Merge pull request #21778 from DouglasSherk/1035183-dialer-matched-numbers
Bumping manifests a=b2g-bump