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

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https://hg.mozilla.org/integration/gaia-central/rev/2986f8a21db4
Author: Gareth Aye <gareth.aye@gmail.com>
Desc: Merge pull request #33686 from gaye/bug-1234601-Gij-local-breakage-getAppClass-of-undefined

 Bug 1234601 - Error while trying to run make test-integration-test: …

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https://hg.mozilla.org/integration/gaia-central/rev/6705f6de2aa3
Author: Gareth Aye <gareth.aye@gmail.com>
Desc:  Bug 1234601 - Error while trying to run make test-integration-test: TypeError: Cannot read property 'getAppClass' of undefined r=auswerk

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "fda728b744b50800b316fa117e5550ee63230346", 
+        "git_revision": "e7da81e76329031f24794350dc0a4330a7d0c603", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "14ccb40fff237d48bce5a23f2ad5e928c84b6daa", 
+    "revision": "2986f8a21db4a5d4f1f5d7e61632aa5ce0a4c071", 
     "repo_path": "integration/gaia-central"
 }