Bumping gaia.json for 10 gaia revision(s) a=gaia-bump

Truncated some number of revisions since the previous bump.

========

https://hg.mozilla.org/integration/gaia-central/rev/4673cbcb43b4
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 1020408 - Hide old homescreen in version 2.0 for mobile phones r=yurenju

========

https://hg.mozilla.org/integration/gaia-central/rev/0f066b01be45
Author: Douglas Sherk <github@sherk.me>
Desc: Merge pull request #20127 from DouglasSherk/1017831-intermittent-simsettingshelper

Bug 1017831 - Fix intermittently failing SimSettingsHelper._setToSettingsDB test. r=eragonj

========

https://hg.mozilla.org/integration/gaia-central/rev/f7392570d8f0
Author: DouglasSherk <github@sherk.me>
Desc: Bug 1017831 - Fix intermittently failing SimSettingsHelper._setToSettingsDB test. r=eragonj

========

https://hg.mozilla.org/integration/gaia-central/rev/9ea73b9c6daa
Author: Guillaume C. Marty <edo999@gmail.com>
Desc: Merge pull request #20233 from gmarty/bug-1022461-comment-lazyload

Bug 1022461 - Follow-up to bug 983812, add comments wherever we dispatch

========

https://hg.mozilla.org/integration/gaia-central/rev/3778702d7a2d
Author: Guillaume Marty <edo999@gmail.com>
Desc: Bug 1022461 - Follow-up to bug 983812, add comments wherever we dispatch

========

https://hg.mozilla.org/integration/gaia-central/rev/2ed621396650
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Merge pull request #19890 from gabrielesvelto/bug-1005766-telephony-call-id

Bug 1005766 - Adjust applications to be forward-compatible with the TelephonyCall.id field

========

https://hg.mozilla.org/integration/gaia-central/rev/5dd694be6945
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Bug 1005766 - Cleanup linter errors in the affected files r=drs

========

https://hg.mozilla.org/integration/gaia-central/rev/ba5b439edc39
Author: Gabriele Svelto <gsvelto@mozilla.com>
Desc: Bug 1005766 - Adjust applications to be forward-compatible with the TelephonyCall.id field r=drs

========

https://hg.mozilla.org/integration/gaia-central/rev/c1f933e60841
Author: Guillaume C. Marty <edo999@gmail.com>
Desc: Merge pull request #20229 from gmarty/fix-link

Fix link in tablet README

========

https://hg.mozilla.org/integration/gaia-central/rev/f715a400249f
Author: Guillaume Marty <edo999@gmail.com>
Desc: Fix link in tablet README

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "0d0d9de7b2534dbeb4809ad019294000eb719a80", 
+    "revision": "4673cbcb43b455cd41b48fca4bce993343e88aea", 
     "repo_path": "/integration/gaia-central"
 }