Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/87642662c772
Author: Evan Tseng <itoyxd@gmail.com>
Desc: Merge pull request #33616 from evanxd/bug-1230074

Bug 1230074 - Ensure that audio channel 1 is playing and audio channel 2 is not playing r=me

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https://hg.mozilla.org/integration/gaia-central/rev/9d364aafdf84
Author: Evan Xd <itoyxd@gmail.com>
Desc: Bug 1230074 - Ensure that audio channel 1 is playing and audio channel 2 is not playing r=me

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "272a18a1457db9ee975fd7c3e0eff333f391265b", 
+        "git_revision": "d069027f9af6f835ef869f1f01b52339e5a3f423", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "27627ad918da862a054a3e028e6e69092e2e373e", 
+    "revision": "87642662c7721f18575be17ae42c81782e5f040a", 
     "repo_path": "integration/gaia-central"
 }