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

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https://hg.mozilla.org/integration/gaia-central/rev/e4a5708fb043
Author: Salvador de la Puente González <neo.salvador@gmail.com>
Desc: Merge pull request #27254 from lodr/bug-1079255-flip-emailsupport-to-true

Bug 1079255 - [Messages] Flip Settings.supportEmailRecipient to true when the functionality is ready
r=:azasypkin

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https://hg.mozilla.org/integration/gaia-central/rev/431c0f2737d9
Author: Salvador de la Puente <salva@unoyunodiez.com>
Desc: Bug 1079255 - [Messages] Flip Settings.supportEmailRecipient to true when the functionality is ready

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https://hg.mozilla.org/integration/gaia-central/rev/556ad083e8f4
Author: chirarobert <robert.chira@softvision.ro>
Desc: Merge pull request #27193 from bebef1987/24h

Bug 1113851 - [Settings] Change time format to 24-hour, write gaia-ui te...

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https://hg.mozilla.org/integration/gaia-central/rev/a3f483d6de7f
Author: bebef1987 <florin.strugariu@softvision.ro>
Desc: Bug 1113851 - [Settings] Change time format to 24-hour, write gaia-ui test

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https://hg.mozilla.org/integration/gaia-central/rev/8158fd389b24
Author: Florin Strugariu <florin.strugariu@softvision.ro>
Desc: Merge pull request #27325 from chirarobert/bug_1120479

Bug 1120479 - Xfail test_call_log_groups because of Bug 1117804

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https://hg.mozilla.org/integration/gaia-central/rev/5f280a70ea50
Author: Robert Chira <robertchira@P5075.(none)>
Desc: Bug 1120479 - Xfail test_call_log_groups because of Bug 1117804

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "f1696cd6561672d84f21443ae8e2ff2df17c70a0", 
+    "revision": "e4a5708fb0433662398dd61fa0ffb08100b97dc2", 
     "repo_path": "integration/gaia-central"
 }