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

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https://hg.mozilla.org/integration/gaia-central/rev/08e42b982cf9
Author: Sam Foster <sam@sam-i-am.com>
Desc: Merge pull request #29108 from sfoster/backout_bug_1107139_retry_autoland

Revert "Bug 1107139 - Show id-overlay when there's no screenshot" for causing 1146680

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https://hg.mozilla.org/integration/gaia-central/rev/f372bf0cbd9b
Author: Sam Foster <sfoster@mozilla.com>
Desc: Revert "Bug 1107139 - Show id-overlay when there's no screenshot. r=etienne"

This reverts commit 413a4dea46b52afcba7cb110542edb4c4c1f188d.
For causing bug 1146680

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "4e53a69221b852c79825c9e4857d162c7b855ad5", 
+        "git_revision": "2ce9883f7c935c8ace723ab2f047f2a5f2393fb4", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "91d244406c189de302b95e930f4655e4408f25e7", 
+    "revision": "08e42b982cf968c7bd64dd03a119bcdb25fa5cc4", 
     "repo_path": "integration/gaia-central"
 }