Bumping gaia.json for 2 gaia-1_2 revision(s) a=gaia-bump
Truncated some number of revisions since the previous bump.

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https://hg.mozilla.org/integration/gaia-1_2/rev/2f94c68612bf
Author: Bob Silverberg <bob.silverberg@gmail.com>
Desc: Merge pull request #14312 from AlinT/bug_938203_1_2

Bug 938208 - Write test to enable Power Save mode

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https://hg.mozilla.org/integration/gaia-1_2/rev/401486169080
Author: Teodosia Pop <teodosia.pop@gmail.com>
Desc: Bug 938208 - Write test to enable Power Save mode