Bumping gaia.json for 6 gaia revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/91ff0f7b8323
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #31247 from dwi2/bug1186301_reland

Bug 1186301 - [Stingray] Scanning and display BT devices in Device Deck

========

https://hg.mozilla.org/integration/gaia-central/rev/dda711979bb2
Author: Tzu-Lin Huang <tzhuang@mozilla.com>
Desc: Bug 1186301 - [Stingray] Scanning and display BT devices in Device Deck

========

https://hg.mozilla.org/integration/gaia-central/rev/683de3122e8f
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #31232 from albertopq/fix-privacy-test

Bug 1139735 - Fixing GU13 perma fail

========

https://hg.mozilla.org/integration/gaia-central/rev/df043aea84d5
Author: albertopq <albert.pastor@gmail.com>
Desc: Fixing GU13 perma fail

========

https://hg.mozilla.org/integration/gaia-central/rev/078fc2464f50
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Merge pull request #31165 from etiennesegonzac/bug-1189103

Bug 1189103 - Remove the svg shadows in the CardView r=sfoster

========

https://hg.mozilla.org/integration/gaia-central/rev/a4394887e028
Author: Etienne Segonzac <etienne@segonzac.info>
Desc: Bug 1189103 - Remove the svg shadows in the CardView r=sfoster

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "500afda8ce5c99bc18afe100966ba0b256f8d869", 
+        "git_revision": "2905411032bc2ba80a73c43794453963782db607", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "8c6bb2148473d2613fb4cc61749d029154134c45", 
+    "revision": "91ff0f7b832332454f4fb288b6ce906955b9e20e", 
     "repo_path": "integration/gaia-central"
 }