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

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https://hg.mozilla.org/integration/gaia-central/rev/f51c198bc7fc
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #29339 from jrburke/bug1151105-usestrict-call-settings

Bug 1151105 - [Settings]Attempting to enter Call Settings will prevent entering all Settings sub menus

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https://hg.mozilla.org/integration/gaia-central/rev/b0f167879fc0
Author: jrburke <jrburke@gmail.com>
Desc: Bug 1151105 - [Settings]Attempting to enter Call Settings will prevent entering all Settings sub menus

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "d99294d2f3084abc4457829a1d920a8045c25938", 
+        "git_revision": "3aec1208a1ce8ec65ffcc94355fe4f7f641dd573", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "2e508cc36ed90a2f5edcf42166ea4c442420ed3f", 
+    "revision": "f51c198bc7fcc2bdaf72112f1b84865556cd0550", 
     "repo_path": "integration/gaia-central"
 }