Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_4/rev/e1245b2319b9
Author: Zac <zcampbell@mozilla.com>
Desc: Bug 993236 - Resolve syntax error in manifest file a=testonly r=me

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https://hg.mozilla.org/integration/gaia-1_4/rev/b37cac0309d6
Author: Zac <zcampbell@mozilla.com>
Desc: Bug 993236 - Update test_settings_dsds_cell_data as per review comments

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https://hg.mozilla.org/integration/gaia-1_4/rev/da1bb57d5aa9
Author: Zac <zcampbell@mozilla.com>
Desc: Bug 993236 - [dsds] Access Cellular & Data setting (Two SIM inserted)

Conflicts:
	tests/python/gaia-ui-tests/gaiatest/tests/functional/settings/manifest.ini
Bumping manifests a=b2g-bump