Bumping gaia.json for 5 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/bbfcdff37f6b
Author: Gareth Aye <gaye@mozilla.com>
Desc: Merge pull request #29263 from gaye/marionette-device-host-1.0.0

Bump marionette-device-host to v1.0.0

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https://hg.mozilla.org/integration/gaia-central/rev/42d3e7c03466
Author: gaye <gaye@mozilla.com>
Desc: Bump marionette-device-host to v1.0.0

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https://hg.mozilla.org/integration/gaia-central/rev/dfc16b081a58
Author: James Lal <james@lightsofapollo.com>
Desc: Merge pull request #29268 from lightsofapollo/backout-multi-locale

Backout multi locale

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https://hg.mozilla.org/integration/gaia-central/rev/86e8ba38721e
Author: James Lal <james@lightsofapollo.com>
Desc: Revert "Bug 1116613 - Develop a smart strategy for building language timestamps at build time"

This reverts commit 41efd604bb9cfdd571010edb13572e417070a14e.

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https://hg.mozilla.org/integration/gaia-central/rev/a1ac9962267f
Author: James Lal <james@lightsofapollo.com>
Desc: Revert "Bug 1116613 - Follow up, guard against undefined stdout"

This reverts commit 1eb5cbd3353a17be425e65fcb18eb2df2ce315d8.

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "8f891352d1595dfeb4e12bba35330dd0e0bd5078", 
+        "git_revision": "2fd8870911787ca68f175636dd89d37e9a53c31f", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "ef7b3a0d183e0b33bec2c09482b88006f7e212b8", 
+    "revision": "bbfcdff37f6b1df219960d89a7926eaa3d23dbef", 
     "repo_path": "integration/gaia-central"
 }