Bumping gaia.json for 2 gaia-central revision(s)

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https://hg.mozilla.org/integration/gaia-central/rev/5eaec29efe38
Author: Arthur Chen <crh0716@gmail.com>
Desc: Merge pull request #11393 from chuck-lee/bug-901837_WAP_Push_test_app

Bug 901837 - Test app for receiving WAP Push. r=arthurcc

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https://hg.mozilla.org/integration/gaia-central/rev/0a2692200e33
Author: Chuck Lee <chulee@mozilla.com>
Desc: Bug 901837 - Test app for receiving WAP Push.