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

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https://hg.mozilla.org/integration/gaia-central/rev/73e89ef66cd1
Author: Ghislain 'Aus' Lacroix <aus@noiseport.org>
Desc: Merge pull request #33775 from nullaus/bug1236378

Bug 1236378 - Buffer data for stdout, stderr from child process until…

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https://hg.mozilla.org/integration/gaia-central/rev/10d1bc6da030
Author: Ghislain 'Aus' Lacroix <aus@mozilla.com>
Desc: Bug 1236378 - Buffer data for stdout, stderr from child process until we have an entire line. r=gaye

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "2cdef3da4d03d8677b471836d47884bac39e6bc6", 
+        "git_revision": "cf7320010177e7b9489615d27d742e805204f09b", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "1b50674fd054ce2ed6a281f2de8d91a577894058", 
+    "revision": "73e89ef66cd14945b1bc5df2a5b91668269c95b7", 
     "repo_path": "integration/gaia-central"
 }