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

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https://hg.mozilla.org/integration/gaia-central/rev/5ee60cd5505e
Author: tamarahills <thills@mozilla.com>
Desc: Merge pull request #28191 from tamarahills/bugfix/1126374_Call_ended_overlap_rtl

Bug 1126374 - Fix call ended overlap string in call screen with multiple...

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https://hg.mozilla.org/integration/gaia-central/rev/ffa2ab38e053
Author: Tamara Hills <thills@mozilla.com>
Desc: Bug 1126374 - Fix call ended overlap string in call screen with multiple calls in RTL.  r=drs.

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https://hg.mozilla.org/integration/gaia-central/rev/4e8515cf3478
Author: Gareth Aye <gaye@mozilla.com>
Desc: Fix --runtime cli arg passed to marionette-mocha invocation

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "985651c7781210aab5badf19d78de1711279a17e", 
+        "git_revision": "d4c3af78cd948f5965c2fa29a5fdfb5c00ae10ce", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "949ee59cec004f7c68d2765ac0a681158fc702ba", 
+    "revision": "5ee60cd5505eb106633d2a10d8184b419a7daa0e", 
     "repo_path": "integration/gaia-central"
 }