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

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https://hg.mozilla.org/integration/gaia-central/rev/785ed5fa0a66
Author: yglazko <glazko@usc.edu>
Desc: Merge pull request #33928 from yglazko/bug1241305-write-detail-test-fav-contactslist

Bug 1241305 - test contactslist favlist

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https://hg.mozilla.org/integration/gaia-central/rev/79724880a9d3
Author: Kate Glazko <glazko@usc.edu>
Desc: bug 1241305-test-contactslist-fav-list

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "fcc46bdfc7b188157a3ab05a121bdedb4a883c33", 
+        "git_revision": "6e9c78fa60392ee37401d59093c68e6737f06663", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "3d4f999112fdd5cda03cd83e07e1998b1dc45347", 
+    "revision": "785ed5fa0a6612e8c8be5619eb7dcd813d6ce4e6", 
     "repo_path": "integration/gaia-central"
 }