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

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https://hg.mozilla.org/integration/gaia-central/rev/a955141ac6cc
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Merge pull request #22255 from JinghuaXing/bug947198_master

Bug 947198 - Add support for DSDS operation to content provisioning messages. r=gsvelto

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https://hg.mozilla.org/integration/gaia-central/rev/c5f53b3308ff
Author: arvin zhang <arvin.zhang@spreadtrum.com>
Desc: Bug 947198 - [DSDS][dolphin][OMA CP] Support for DSDS. r=Gabriele

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "38f46a9090e396b37d94e7fbe2ba183c7ee80cd4", 
+    "revision": "a955141ac6cc1abe516153d9200819fc2bc63490", 
     "repo_path": "/integration/gaia-central"
 }