Bumping gaia.json for 4 gaia-central revision(s)

========

https://hg.mozilla.org/integration/gaia-central/rev/9093c20568e0
Author: Dale  Harvey <dale@arandomurl.com>
Desc: Merge pull request #10882 from huchengtw-moz/gallery/Bug_891294_preview_page_could_not_display

Bug 891294 - [Gallery] Preview page could not display image in picker mo. r=daleharvey

========

https://hg.mozilla.org/integration/gaia-central/rev/b37a853a94b0
Author: John Hu <johu@mozilla.com>
Desc: Bug 891294 - [Gallery] Preview page could not display image in picker mode

========

https://hg.mozilla.org/integration/gaia-central/rev/b3d8f5759cfc
Author: gduan <gduan@mozilla.com>
Desc: Bug 888865 - [MMS] The name of the sent image is wrong in FFOS device - r=gnarf

* Remove path info before sanitizing filename

Closes gh-10790

========

https://hg.mozilla.org/integration/gaia-central/rev/d55c465036dc
Author: Julien Wajsberg <felash@gmail.com>
Desc: Bug 891788 - The Sms compose tests are slow r=gnarf

clear the input listeners at init

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "08b27cc9d095200a10008924a417ad7303b19d4e", 
+    "revision": "9093c20568e0b754c5e288290ba68836d5f397f1", 
     "repo_path": "/integration/gaia-central"
 }