Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/b37a820b8956
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21092 from KevinGrandon/bug_1031105_collection_filter_pinned

Bug 1031105 - [Collection] Edit mode can be triggered on unbookmarked eme apps if another e.me app is added twice to the top of that Smart Collection

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https://hg.mozilla.org/integration/gaia-central/rev/466bdae89f5f
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1031105 - [Collection] Edit mode can be triggered on unbookmarked e.me apps if another e.me app is added twice to the top of that Smart Collection

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https://hg.mozilla.org/integration/gaia-central/rev/11faf3480e44
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21133 from KevinGrandon/bug_1022098_fix_test_naming

Bug 1022098 - Follow-up, rename and fix tests

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https://hg.mozilla.org/integration/gaia-central/rev/e4406ca3f17c
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1022098 - Follow-up, rename and fix tests r=me
Bumping manifests a=b2g-bump