Bumping gaia.json for 2 gaia-1_3 revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-1_3/rev/322fe961cb88
Author: EragonJ <eragonj@eragonj.me>
Desc: Merge pull request #15348 from EragonJ/v1.3-bug-948847

Bug 948847 - [Gaia] add AirplaneModeHelper

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https://hg.mozilla.org/integration/gaia-1_3/rev/c2b8220b79e8
Author: EragonJ <eragonj@eragonj.me>
Desc: Bug 948847 - [Gaia] add AirplaneModeHelper

- other apps can use AirplaneModeHelper to know current airplane status
- add a lot of related unit tests
- add two mozSettings key for airplane mode use
- update gaia-ui-tests
- disabled some marionette tests like what we did on master