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

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https://hg.mozilla.org/integration/gaia-central/rev/2c83cf417d00
Author: Evan Tseng <itoyxd@gmail.com>
Desc: Merge pull request #33614 from evanxd/bug-1230061

Bug 1230061 - Fix test case: ringer competes with ringer r=lchang

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https://hg.mozilla.org/integration/gaia-central/rev/e3d0fd46289e
Author: Evan Xd <itoyxd@gmail.com>
Desc: Bug 1230061 - Fix test case: ringer competes with ringer r=lchang

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https://hg.mozilla.org/integration/gaia-central/rev/f52a915d7626
Author: Evan Tseng <itoyxd@gmail.com>
Desc: Merge pull request #33581 from evanxd/bug-1230069

Bug 1230069 - Fix test cases: public notification competes with normal and content r=lchang

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https://hg.mozilla.org/integration/gaia-central/rev/99f6749e0229
Author: Evan Xd <itoyxd@gmail.com>
Desc: Bug 1230069 - Fix test cases: public notification competes with normal and content r=lchang

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "de7f09dcbe206c54381e499c176e39957b1d48c9", 
+        "git_revision": "0f75fc15737c5185fbc8a3b82588ce2c23e01ade", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "d60258e3660b8405d66108e60e16cee4f6f4a54e", 
+    "revision": "2c83cf417d00354781a43880349a2c236be69f9c", 
     "repo_path": "integration/gaia-central"
 }