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

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https://hg.mozilla.org/integration/gaia-central/rev/ec49e67a0d3d
Author: Diego Marcos <diego.marcos@gmail.com>
Desc: Merge pull request #18805 from dmarcos/bug1003365

Bug 1003365 - [Camera] Mismatching file names in Makefile if statement

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https://hg.mozilla.org/integration/gaia-central/rev/5e833858f4f0
Author: Diego Marcos <diego.marcos@gmail.com>
Desc: Bug 1003365 - [Camera] Mismatching file names in Makefile if statement
Bumping manifests a=b2g-bump