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

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https://hg.mozilla.org/integration/gaia-central/rev/2fac487e1132
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #29527 from davidflanagan/bug1154838

Bug 1154838 - convert pdf viewer open activity to disposition:inline r=aus

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https://hg.mozilla.org/integration/gaia-central/rev/ad0d5acf90dd
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Bug 1154838 - convert pdf viewer open activity to disposition:inline

========

https://hg.mozilla.org/integration/gaia-central/rev/47e6af7064dd
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1100995 - merge pull request #29403 from gabrielesvelto:bug-1100995-suggestion-bar-l10n-fix to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/e70488231131
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Bug 1100995 - Properly adjust the data-l10n-id of the telephone type field in the suggestion bar r=thills

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "a1a2ef17e3634ab21ca8d04d4594c7942cf37722", 
+        "git_revision": "29d3a84bbe41d4a3d0496660ab6e97d2352cc8c2", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "eedf4c18c22b194307e349cd5b5ff9b68d9e5689", 
+    "revision": "2fac487e11327bd3dce432be7055731698b2e281", 
     "repo_path": "integration/gaia-central"
 }