Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/b33df7202f63
Author: lissyx <lissyx+github@lissyx.dyndns.org>
Desc: Merge pull request #19940 from lissyx/bug959195

Bug 959195 - Show user prompt on low battery before applying update r=etienne_s

========

https://hg.mozilla.org/integration/gaia-central/rev/1a599a3dbaee
Author: Alexandre Lissy <lissyx+github@lissyx.dyndns.org>
Desc: Bug 959195 - Show user prompt on low battery before applying update
Bumping manifests a=b2g-bump