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

========

https://hg.mozilla.org/integration/gaia-central/rev/26a437741e70
Author: Martijn <martijn.martijn@gmail.com>
Desc: Merge pull request #31450 from mwargers/1196800

Bug 1196800 - Fix failure in test_dialer_add_contact.py

========

https://hg.mozilla.org/integration/gaia-central/rev/f61fa90ee3d3
Author: Martijn Wargers <mwargers@mozilla.com>
Desc: Bug 1196800 - Fix failure in test_dialer_add_contact.py

========

https://hg.mozilla.org/integration/gaia-central/rev/2057b0511934
Author: Martijn <martijn.martijn@gmail.com>
Desc: Merge pull request #31449 from mwargers/1196866

Bug 1196866 - Fix failures in test_edit_contact && test_add_photo_to_contact

========

https://hg.mozilla.org/integration/gaia-central/rev/4f1e37bbc1ca
Author: Martijn Wargers <mwargers@mozilla.com>
Desc: Bug 1196866 - Fix failures in test_edit_contact && test_add_photo_to_contact

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "03df31271be0af6e59fcbe53f8b6d8ab92700e94", 
+        "git_revision": "284f11f8709d7a2e7e40c9cd40eb41956adb77b9", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "f4adf2ed21d155fb041f3acef269cdb4b4c31db8", 
+    "revision": "26a437741e705364f16b6554b5f0c73ed69c7c80", 
     "repo_path": "integration/gaia-central"
 }