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

========

https://hg.mozilla.org/integration/gaia-central/rev/9354e52c382c
Author: Eli Perelman <eli@eliperelman.com>
Desc: Merge pull request #28274 from eliperelman/bug-1129687

Bug 1129687 - Supporting changes to User Timing proper

========

https://hg.mozilla.org/integration/gaia-central/rev/f202eb65639f
Author: Eli Perelman <eli@eliperelman.com>
Desc: Bug 1129687 - Supporting changes to User Timing proper

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "2e9657719de111570ac5e0339a51f0d322cc4dc1", 
+        "git_revision": "798522e8b4b45afe63fe63eb319043928c603d51", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "c67f4c74721d0838f06641a067676b6906735aef", 
+    "revision": "9354e52c382cdca0e6ab8160d585c1ab42ac87f2", 
     "repo_path": "integration/gaia-central"
 }