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/dd602e735e12
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #15184 from gasolin/v1.3

manually revert bug 950082 keyboard IME indicator

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https://hg.mozilla.org/integration/gaia-1_3/rev/8542ade2baee
Author: gasolin <gasolin@gmail.com>
Desc: manually revert bug 950082 keyboard IME indicator