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

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https://hg.mozilla.org/integration/gaia-central/rev/e9740002cd5e
Author: Alive.Kuo <alegnadise@gmail.com>
Desc: Merge pull request #16605 from alivedise/bugzilla/960667/popup-height-wrong

Bug 960667 - Fix popup height, r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/2d118dd1b742
Author: Alive Kuo <alegnadise@gmail.com>
Desc: Bug 960667 - Fix popup height

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "d1729e9d8fcc010e42ef73befa93d3c07a4304c6", 
+    "revision": "e9740002cd5e12afe8a81e1715a8e492a8e97d12", 
     "repo_path": "/integration/gaia-central"
 }