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

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https://hg.mozilla.org/integration/gaia-central/rev/a62b07d0ad0b
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Merge pull request #22350 from comoyo/bug1044984

Bug 1044984 - Fix intermittent worker tests because timing issue. r=RudyL

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https://hg.mozilla.org/integration/gaia-central/rev/c40abd511b75
Author: Jan Jongboom <janjongboom@gmail.com>
Desc: Bug 1044984 - Fix intermittent worker tests because timing issue

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "cbaa670ae5aeb25de0572c98e04e0e39375c0afa", 
+    "revision": "a62b07d0ad0b9bab5ad908b39e96018d8a0f7354", 
     "repo_path": "/integration/gaia-central"
 }