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

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https://hg.mozilla.org/integration/gaia-central/rev/54f4eb720a72
Author: Martijn <martijn.martijn@gmail.com>
Desc: Merge pull request #31161 from mwargers/1188080_disable

Bug 1188080 - Disable test_rocketbar_offline_behavior.py for now

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https://hg.mozilla.org/integration/gaia-central/rev/190d20863b77
Author: Martijn Wargers <mwargers@mozilla.com>
Desc: Bug 1188080 - Disable test_rocketbar_offline_behavior.py for now

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "27db84a9ea5777a09c2184458acc2908e140cba3", 
+        "git_revision": "eeeea1de6d3946898b01b51de6ba6a40b4dd8d3e", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "6b0f28d4f4e2ca8faabf7403c70af8c2c493eeb6", 
+    "revision": "54f4eb720a724df3ad43556e310476928a5e14fd", 
     "repo_path": "integration/gaia-central"
 }