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

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https://hg.mozilla.org/integration/gaia-central/rev/0ed40fc30bbe
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #15906 from AndreiH/bug-966909

Bug 966909 - Test test_set_passcode_by_settings is failing

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https://hg.mozilla.org/integration/gaia-central/rev/c98b5c7c869d
Author: Andrei Hutusoru <andreihutusoru@P5069.(none)>
Desc: Bug 966909 - Test test_set_passcode_by_settings is failing
Bumping manifests a=b2g-bump