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

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https://hg.mozilla.org/integration/gaia-central/rev/0f69801149a7
Author: vingtetun <21@vingtetun.org>
Desc: Merge pull request #15303 from vingtetun/bug958650

Bug 958650 - [B2G][Contacts] Deselect and Select All buttons disappear w...

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https://hg.mozilla.org/integration/gaia-central/rev/4c0bbff332c5
Author: Vivien Nicolas <21@vingtetun.org>
Desc: Bug 958650 - [B2G][Contacts] Deselect and Select All buttons disappear when user is scrolling contacts list during import. r=arcturus

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "1a994a8253ede3e703eb58afefb0e17b36c58643", 
+    "revision": "0f69801149a76dbccc041fd75acd4ea1f2de53fa", 
     "repo_path": "/integration/gaia-central"
 }