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

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https://hg.mozilla.org/integration/gaia-central/rev/5337ba69bd24
Author: Aleh Zasypkin <aleh.zasypkin@gmail.com>
Desc: Merge pull request #23208 from azasypkin/bug-1035762-24h-format

Bug 1035762 - [B2G][SMS] support 24 hour time format. r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/da36116b999d
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 1035762 - [B2G][SMS] support 24 hour time format. r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/f5bd849ba682
Author: Aleh Zasypkin <aleh.zasypkin@gmail.com>
Desc: Merge pull request #23267 from azasypkin/bug-1057996-thread-ui-tests

Bug 1057996 - [Messages][Tests] ThreadUI unit tests are not run if full. r=schung

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https://hg.mozilla.org/integration/gaia-central/rev/08c5d79c458b
Author: Aleh Zasypkin <azasypkin@mozilla.com>
Desc: Bug 1057996 - [Messages][Tests] ThreadUI unit tests are not run if full. r=schung
Bumping manifests a=b2g-bump