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

========

https://hg.mozilla.org/integration/gaia-central/rev/e4e5c2c5cdc9
Author: Marcus Cavanaugh <m@mcav.com>
Desc: Merge pull request #16212 from gnaneswar/Issue_960705

Bug 960705 - [clock][l10n] Close button should say Stop instead; r=mcav

========

https://hg.mozilla.org/integration/gaia-central/rev/0b32d272019c
Author: Gnaneswar Devuni <gnaneswar.devuni@accenture.com>
Desc: Bug 960705 - [clock][l10n] Close button should say Stop instead; r=reviews

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "4374625d509760483367290149852625e2521c96", 
+    "revision": "e4e5c2c5cdc98f75cab872531261490a45bb3f7a", 
     "repo_path": "/integration/gaia-central"
 }