Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/63aaa0148619
Author: jos <mail@jos.tw>
Desc: Merge pull request #34172 from jostw/josyeh/Marketplace/master/Bug1250404

Bug 1250404 - [TV][Marketplace] Visual polish for "Web App" icon. r=rexboy

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https://hg.mozilla.org/integration/gaia-central/rev/dca075c22ec4
Author: Joseph Yeh <jyeh@mozilla.com>
Desc: Bug 1250404 - [TV][Marketplace] Visual polish for "Web App" icon

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https://hg.mozilla.org/integration/gaia-central/rev/7e3867661e54
Author: danhuang1202 <dhuang@mozilla.com>
Desc: Merge pull request #34170 from danhuang1202/1257741_neterror_string_disapear

Bug 1257741 - create net error page when l10 is ready. r=rexboy

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https://hg.mozilla.org/integration/gaia-central/rev/a013480a1f8a
Author: danhuang1202 <danhuang1202@gmail.com>
Desc: Bug 1257741 - create net error page when l10 is ready. r=rexboy

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "b9514c1269bd9b4e611fcbcd00367f736bf6ba70", 
+        "git_revision": "e5098978adae8750f013d96a825820f75b4054ac", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "86bc3c8175b6b576fa1a4049f3b9004ab5ee97c6", 
+    "revision": "63aaa0148619ab3484381cf5e335d74c92749254", 
     "repo_path": "integration/gaia-central"
 }