Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/3aea451a47dc
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1137486 - merge pull request #28659 from rsajdok:bug#1137486 to mozilla-b2g:master

========

https://hg.mozilla.org/integration/gaia-central/rev/ee64728da388
Author: Robert Sajdok <robert.sajdok@protonmail.ch>
Desc: Bug 1137486 - Email][Search] Selecting the search bar before the Email app is finished loading will open the keyboard, but not the search

========

https://hg.mozilla.org/integration/gaia-central/rev/0db61fc33616
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 950045 - merge pull request #29092 from rsajdok:bug#950045 to mozilla-b2g:master

========

https://hg.mozilla.org/integration/gaia-central/rev/ee70c876cd08
Author: Robert Sajdok <robert.sajdok@protonmail.ch>
Desc: Bug 950045 - [Email] Canceling the 'Setting Up Account' screen doesn't cancel operation, will progress regardless; can stack multiple instances

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "6e9bac2de1c24fc7700ce6115f982051666061e6", 
+        "git_revision": "faf61ac3470ba311a6563046959d6fe6505fded3", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "fe285cd5f517f5c716296a080aa5dde0d4c4b45a", 
+    "revision": "3aea451a47dc136193d8dcba66c9715315baaa79", 
     "repo_path": "integration/gaia-central"
 }