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

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https://hg.mozilla.org/integration/gaia-central/rev/eea3b81e2205
Author: Albert <acperez@tid.es>
Desc: Merge pull request #13365 from acperez/bug-929572

Bug 929572 - If the grid isn't valid, report a build error. r=yurenju,johnhu

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https://hg.mozilla.org/integration/gaia-central/rev/0b06d9dfb39b
Author: Albert <acperez@tid.es>
Desc: Bug 929572 - If the grid isn't valid, report a build error. r=yurenju,johnhu

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https://hg.mozilla.org/integration/gaia-central/rev/3bf1f792d0fb
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #13500 from AndreiH/bug936109

Bug 936109 - Xfail test_sms_with_attachments

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https://hg.mozilla.org/integration/gaia-central/rev/5529620650cd
Author: Andrei Hutusoru <andreihutusoru@P5069.(none)>
Desc: Bug 936109 - Xfail test_sms_with_attachments

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https://hg.mozilla.org/integration/gaia-central/rev/8557707f8652
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #13501 from AndreiH/bug936022

Bug 936022 - Re-enable test_gallery_edit_photo.py

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https://hg.mozilla.org/integration/gaia-central/rev/354096cfc047
Author: Andrei Hutusoru <andreihutusoru@P5069.(none)>
Desc: Bug 936022 - Re-enable test_gallery_edit_photo.py

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "16511add58fac0cdf5491ef56facf1f943e690e4", 
+    "revision": "eea3b81e2205f86f2fe0d925a7b1e7611cb0c6be", 
     "repo_path": "/integration/gaia-central"
 }