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

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https://hg.mozilla.org/integration/gaia-central/rev/f242d4d42f26
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1129339 - merge pull request #28077 from DouglasSherk:1129339-dialer-call-log-contextmenu to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/839cd5591c85
Author: Doug Sherk <github@sherk.me>
Desc: Bug 1129339 - Fix call log phone number bdi element creation and updates. r=thills

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "9a411b1f498f4dc63bbd6368c9f39384ee2b7da5", 
+        "git_revision": "29ffd6441fef57ebe0c540f6d983ff4dc76d4ccf", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "8cfb20df820175bc6e1289ea5bd972f1999e1d63", 
+    "revision": "f242d4d42f2630ce47dcad2d7e9a2769f38ab0b0", 
     "repo_path": "integration/gaia-central"
 }