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

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https://hg.mozilla.org/integration/gaia-1_4/rev/fc019e1a106c
Author: Ryan VanderMeulen <rvandermeulen@mozilla.com>
Desc: Merge pull request #21791 from acperez/bug-1022552-1.4

Bug 1022552 - Pressing home key or opening other apps will close client provision message directly.r=gsvelto

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https://hg.mozilla.org/integration/gaia-1_4/rev/fea1e4cff901
Author: Albert <alberto.crespellperez@telefonica.com>
Desc: Bug 1022552 - Pressing home key or opening other apps will close client provision message directly.r=gsvelto
Bumping manifests a=b2g-bump