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

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https://hg.mozilla.org/integration/gaia-central/rev/06ea3f1fb3f2
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1155979 - merge pull request #29582 from timdream:editorconfig-makefile to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/e5e6afc9bf6c
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Bug 1155979 - Ensure Makefile can be indent with tabs

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "c6b04efa0f31a584e6ee0a46dd2b64c1e3c29adc", 
+        "git_revision": "cb41d8421da5dc4f16ea566ea2917a9b7f828154", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "31b41a3f708e732cbcf8fab8a51d1620ae1ebe82", 
+    "revision": "06ea3f1fb3f2706336c6b32d31663db0ec690cd9", 
     "repo_path": "integration/gaia-central"
 }