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

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https://hg.mozilla.org/integration/gaia-central/rev/c652fe8c56b4
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #28142 from viorelaioia/bug-1121978

Bug 1121978 - Test test_keyboard_predictive_key.py is failing intermitte...

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https://hg.mozilla.org/integration/gaia-central/rev/b2db069681b5
Author: viorelaioia <viorela.ioia@softvision.ro>
Desc: Bug 1121978 - Test test_keyboard_predictive_key.py is failing intermittently, wrong predictive word is selected

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https://hg.mozilla.org/integration/gaia-central/rev/b1ac6f97f6a2
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #28148 from viorelaioia/bug1131559

Bug 1131559 - Disable test_homescreen_column_layout.py because of Bug 11...

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https://hg.mozilla.org/integration/gaia-central/rev/0acf108a8360
Author: viorelaioia <viorela.ioia@softvision.ro>
Desc: Bug 1131559 - Disable test_homescreen_column_layout.py because of Bug 1131037

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https://hg.mozilla.org/integration/gaia-central/rev/47a5b9241de1
Author: Hubert Figuière <hub@figuiere.net>
Desc: Merge pull request #28128 from hfiguiere/bug1102481-no-result-layout

Bug 1102481 - Part 2: change the visual style of the message to match contacts. r=dkuo

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https://hg.mozilla.org/integration/gaia-central/rev/22c5641b2748
Author: Hubert Figuière <hub@figuiere.net>
Desc: Bug 1102481 - Part 2: change the visual style of the message to match contact.

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "0a6c4b791b3f2ac47a402dbc79f81b2e037f3b0a", 
+        "git_revision": "e280a660955bbdab265d50f8d9e009de34082332", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "708aeba3d8374250b5185d23316c44b7ce851aa7", 
+    "revision": "c652fe8c56b48721611f4a004ba1324c5279c3d8", 
     "repo_path": "integration/gaia-central"
 }