Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/2602554b2ec5
Author: Russ Nicoletti <rnicoletti@mozilla.com>
Desc: Merge pull request #30908 from russnicoletti/bug-1167710

Bug 1167710 - [Settings] Advanced telemetry setting r=evelyn

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https://hg.mozilla.org/integration/gaia-central/rev/d1d45d4b63bf
Author: Russ Nicoletti <rnicoletti@mozilla.com>
Desc: Merge branch 'master' of https://github.com/mozilla-b2g/gaia into bug-1167710

========

https://hg.mozilla.org/integration/gaia-central/rev/39c4549ad743
Author: Russ Nicoletti <rnicoletti@mozilla.com>
Desc: Bug 1167710 - [Settings] Advanced telemetry setting

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "5aa7b14d5d652f0821a7be9591caa50051cdd97b", 
+        "git_revision": "1305afffca13c3cd1d1125e4d5e51ef306f8ea4f", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "039b39ea6dd5ee4ff4b3089bcfafff5e0f2a33ac", 
+    "revision": "2602554b2ec570e0307e5d405e306d4f7c37b10a", 
     "repo_path": "integration/gaia-central"
 }