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

========

https://hg.mozilla.org/integration/gaia-central/rev/95c0275d7ebc
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1068874 - merge pull request #28490 from atiqueahmedziad:patch-1 to mozilla-b2g:master

========

https://hg.mozilla.org/integration/gaia-central/rev/a62a8a298fc9
Author: Atique Ahmed Ziad <softfilebd@gmail.com>
Desc: Bug 1068874 - [Camera] Focus indicator graphic should be hidden from screen reader

Added aria-hidden="true" on line 288

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "323d773af7c579cc7f33fbe571cc5c8631156b15", 
+        "git_revision": "a798c9b590dea73795f3526532477df86c885b4d", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "57ede31f6e1392e7a35904a5fc4ccee28eb67da4", 
+    "revision": "95c0275d7ebc9bda907db7ff3c59060f58171f5b", 
     "repo_path": "integration/gaia-central"
 }