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

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https://hg.mozilla.org/integration/gaia-central/rev/b4325a5f960f
Author: Sean Lee <weilonge@gmail.com>
Desc: Merge pull request #31696 from weilonge/seanlee/DataSync/master/Bug1191770

Bug 1191770 - Add a build module to preprocess apps to enable/disable a specific feature at build time. r=rchien, ferjmoreno

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https://hg.mozilla.org/integration/gaia-central/rev/e918aa4422d3
Author: Sean Lee <selee@mozilla.com>
Desc: Bug 1191770 - Add a build module to preprocess apps to enable/disable a specific feature at build time.

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "f58120447bc37eafae03ba83cf0ddc129207eca1", 
+        "git_revision": "522b99088ffe49b6dcb17b1e9f4be090ec753247", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "9e39eab9159d715baaa873eafe4b43a0e8113a89", 
+    "revision": "b4325a5f960fe0db6ee320634bce27bfbce6c888", 
     "repo_path": "integration/gaia-central"
 }