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

========

https://hg.mozilla.org/integration/gaia-1_4/rev/02c72300d604
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #19119 from nullaus/v1.4

Merge pull request #19081 from nullaus/bug1001702

========

https://hg.mozilla.org/integration/gaia-1_4/rev/9a29f0f8a3ef
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #19081 from nullaus/bug1001702

bug 1001702(cherry picked from commit c1a8cbaac1d921cfb50e3a2600720b75cf5afabd)
Bumping manifests a=b2g-bump