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

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https://hg.mozilla.org/integration/gaia-central/rev/26fafc88225d
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #19461 from askeing/1013800

Bug 1013800 - Fix the locator of test_ftu_skip_tour.py

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https://hg.mozilla.org/integration/gaia-central/rev/0eb5572bf5ce
Author: askeing <askeing@gmail.com>
Desc: Bug 1013800 - Fix the locator of test_ftu_skip_tour.py
Bumping manifests a=b2g-bump