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

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https://hg.mozilla.org/integration/gaia-central/rev/ed8feeb526d0
Author: Carsten Book <tomcat@mozilla.com>
Desc: Merge pull request #32279 from jedireza/private-window-from-activity-manager

Bug 1211792 - The new private browser opened from task manager does not show the advice page or start page. r=kgrandon

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https://hg.mozilla.org/integration/gaia-central/rev/54b73eb4176b
Author: jedireza <reza@akhavan.me>
Desc: Bug 1211792 - The new private browser opened from task manager does not show the advice page or start page

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "7dc70a13a28a28e108b4ec93ed9582cfe85bb984", 
+        "git_revision": "a3bca2fc7ec3d1f73072d25d4bdf76a3ad0b083c", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "403df4936b05f6f5ef5787c802e6bc74e5d18778", 
+    "revision": "ed8feeb526d073908553f9082b71d3721d1b6f15", 
     "repo_path": "integration/gaia-central"
 }