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

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https://hg.mozilla.org/integration/gaia-central/rev/143b1b033172
Author: Ricky Chien <rickychien@users.noreply.github.com>
Desc: Merge pull request #31734 from rickychien/echo-LD_LIBRARY_PATH

Bug 1146713 - Add DEBUG_LOG for verifying LD_LIBRARY_PATH r=me

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https://hg.mozilla.org/integration/gaia-central/rev/2aa7a1ebf292
Author: Ricky Chien <ricky060709@gmail.com>
Desc: Bug 1146713 - Add DEBUG_LOG for verifying LD_LIBRARY_PATH

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https://hg.mozilla.org/integration/gaia-central/rev/11f5429e87a4
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Merge pull request #31724 from ferjm/bug1202342.fxa.getassertion

Bug 1202342 - Expose getAssertions to the System app. r=kgrandon

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https://hg.mozilla.org/integration/gaia-central/rev/31495cac621a
Author: Fernando Jiménez Moreno <ferjmoreno@gmail.com>
Desc: Bug 1202342 - Expose getAssertions to the System app. r=kgrandon

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "9d99f5d807444040209b9786032b7a53881f827e", 
+        "git_revision": "9305742318f201bec7ec84b18d745c11bb699d36", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "84f6598057e184064fcb3ba7f47c18add156ce37", 
+    "revision": "143b1b03317248388553f97af518cd1f75177caf", 
     "repo_path": "integration/gaia-central"
 }