Bumping gaia.json for 6 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/87623f3ce976
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #24204 from davidflanagan/bug1068986

Bug 1068986: convert MediaFrame to use background-image instead of <img> r=justindarc

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https://hg.mozilla.org/integration/gaia-central/rev/55103b0d3fed
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Bug 1068986: convert MediaFrame to use background-image instead of <img>

fix failing unit tests

fix the failing python unit tests with a CSS selector change

fix busted share button by restoring public imageblob property on MediaFrame

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https://hg.mozilla.org/integration/gaia-central/rev/b61e415054b6
Author: chirarobert <robert.chira@softvision.ro>
Desc: Merge pull request #24339 from viorelaioia/bug_1068619_master

Bug 1068619 - [v2.2] [v2.1] Investigate test_browser_search failure

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https://hg.mozilla.org/integration/gaia-central/rev/ffaff8cf94a1
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 1068619 - [v2.2] [v2.1] Investigate test_browser_search failure

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https://hg.mozilla.org/integration/gaia-central/rev/b2734bdc6f33
Author: Ryan VanderMeulen <ryanvm@gmail.com>
Desc: Merge pull request #24341 from anefzaoui/bug-1058793

Bug 1058793 - [RTL] New System Update notification need RTL support

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https://hg.mozilla.org/integration/gaia-central/rev/7b6719ba0ba2
Author: Ahmed Nefzaoui <nefzaoui.ahmed@hotmail.com>
Desc: Bug 1058793 - [RTL] New System Update notification need RTL support

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "c1786032773046895f5ef417e7bdb95b01920502", 
+    "revision": "87623f3ce976df152897a72c7dc4a9e910412e6a", 
     "repo_path": "/integration/gaia-central"
 }