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

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https://hg.mozilla.org/integration/gaia-central/rev/e72195075a52
Author: Min-Zhong "John" Lu <jlu@mozilla.com>
Desc: Merge pull request #22760 from mnjul/bug_1051758_lockscreen_hairline_misalign

Bug 1051758 - Lockscreen Visual Refresh: "More Notifications" hairline is misaligned. r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/d95efee0ec3d
Author: John Lu [:mnjul] <jlu@mozilla.com>
Desc: Bug 1051758 - Lockscreen Visual Refresh: "More Notifications" hairline is misaligned

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "29b94593fe4f423bbcf8a0b8f6508979771a2e30", 
+    "revision": "e72195075a521c48f1f77a70b74ba129219d298e", 
     "repo_path": "/integration/gaia-central"
 }