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

========

https://hg.mozilla.org/integration/gaia-central/rev/e267d5ce42bc
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1143862 - merge pull request #29012 from yzen:bug-1143862 to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/1974b52baea9
Author: Yura Zenevich <yzenevich@mozilla.com>
Desc: Bug 1143862 - fixed video title truncation regression because of the display: none; style.

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https://hg.mozilla.org/integration/gaia-central/rev/c14b4c32a76f
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1145059 - merge pull request #29100 from DouglasSherk:1145059-callscreen-rtl-toolbar to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/2e70e0eaa266
Author: Doug Sherk <github@sherk.me>
Desc: Bug 1145059 - Set Callscreen keypad's toolbar to be always LTR. r=gsvelto

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https://hg.mozilla.org/integration/gaia-central/rev/59ca8d4fc4d6
Author: autolander <bug.autolander@gmail.com>
Desc: Bug 1139303 - merge pull request #28634 from Cwiiis:bug1139303-optimise-edit-mode to mozilla-b2g:master

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https://hg.mozilla.org/integration/gaia-central/rev/230c31cd7df0
Author: Chris Lord <chrislord.net@gmail.com>
Desc: Bug 1139303 - Optimise home-screen edit mode. r=kgrandon

This makes a number of small optimisations/changes:

- Don't set will-change on everything in edit mode.
- Cache item positions to avoid redundant style changes.
- Throttle grid rearrangement.
- More aggressively throttle successive grid rearrangements.
- (Mostly) fix jank while auto-scrolling on homescreen edit.
- Increase long-press delay in edit mode.

Collectively, these changes improve responsiveness of the homescreen
edit mode.

b2g/config/gaia.json

@@ -1,9 +1,9 @@
 {
     "git": {
-        "git_revision": "1e2fde597d599404c926f9ce73ce15d34598c2db", 
+        "git_revision": "2ad682faed00d2da1b63ed16f8fdbb6abecc5d7c", 
         "remote": "https://git.mozilla.org/releases/gaia.git", 
         "branch": ""
     }, 
-    "revision": "6a76d6776cc9ba2be8acafbc6c065fda26d53225", 
+    "revision": "e267d5ce42bcf546a1c3087730e511d78395e962", 
     "repo_path": "integration/gaia-central"
 }