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

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https://hg.mozilla.org/integration/gaia-central/rev/1091627afb83
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #31815 from BorisChiou/Bug1198522

Bug 1198522 - Separate customized and sys cmd menu items, r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/3ddd0ab5a52d
Author: Boris Chiou <boris.chiou@gmail.com>
Desc: Bug 1198522 - Fix the check for certified apps

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "f1cb3089ee2a77dd779408ca86dbb5e4ed5af0b3", 
+        "git_revision": "98bc7efb7c79b180bde067b3a1b000106c356f13", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "65b6f43129f7884ee32670828f9e8ef5f5de888d", 
+    "revision": "1091627afb839253e3237a887f131a08dfa59984", 
     "repo_path": "integration/gaia-central"
 }