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

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https://hg.mozilla.org/integration/gaia-central/rev/c864ff692e0c
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1079244 - merge pull request #29386 from mikehenrty:bug-1079244-fota-no-stop to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/33ed4804569a
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Bug 1079244 - Do not show cancel dialog prompt when clicking "Uncompressing..." notification

t push origin# with '#' will be ignored, and an empty message aborts the commit.

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "e768af6558957ddb0f6a9ce579ea41c3e3d0b203", 
+        "git_revision": "67d5014e2f9bd044cfbf590d258cdc27a901afa6", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "e014aec53259ec23fd3d9ab921e8d11732626cf8", 
+    "revision": "c864ff692e0c96fef64adc83e89ee65fba3a30e3", 
     "repo_path": "integration/gaia-central"
 }