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

========

https://hg.mozilla.org/integration/gaia-central/rev/a3f07d3946b2
Author: Rick Waldron <waldron.rick@gmail.com>
Desc: Bug 905950 - [Messages] Recipient assimilation should only occur when composing a new message r=gnarf

https://bugzilla.mozilla.org/show_bug.cgi?id=905950

- Restrict recipient assimilation:
    - Only when in #new view
    - Only when there is a placeholder to inspect

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

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https://hg.mozilla.org/integration/gaia-central/rev/fd9e5114303e
Author: Adam Hyland <protonk@gmail.com>
Desc: Bug 902544 - Refactor rendering methods for Analog clock - r=ianliu

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "1ca58aadbcd53835a9760347c70ee50c1a75f180", 
+    "revision": "a3f07d3946b2a69c2d0c415632026611255b6e38", 
     "repo_path": "/integration/gaia-central"
 }