Bumping gaia.json for 3 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/8f782376375b
Author: Rick Waldron <waldron.rick@gmail.com>
Desc: Bug 877718 - [Messages] Contact's correct phone number and type is displayed r=julienw

https://bugzilla.mozilla.org/show_bug.cgi?id=877718

- Rename Utils.compareDialables => Utils.probablyMatches
    - normalizes with navigator.mozPhoneNumberService.normalize if possible
    - otherwise fallback to previous matching strategy (no non-digit => digit replacement)

- Update navigator.mozContacts.find desktop "mock" to also normalize when searching numbers

Signed-off-by: Rick Waldron <waldron.rick@gmail.com>

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https://hg.mozilla.org/integration/gaia-central/rev/59abff9c1005
Author: Jose M. Cantera <jmcanterafonseca@gmail.com>
Desc: Merge pull request #13036 from gitmai/bug-926582-search-bar-not-working

Bug 926582 - [B2G][Contacts] The search bar will stop functioning when searching contacts in Gmail or Outlook

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https://hg.mozilla.org/integration/gaia-central/rev/976f8748c472
Author: mai <mri@tid.es>
Desc: Bug 926582 - [B2G][Contacts] The search bar will stop functioning when searching contacts in Gmail or Outlook

b2g/config/gaia.json

@@ -1,4 +1,4 @@
 {
-    "revision": "f6bdd9d219b832b059ecc42df53a3882479db9de", 
+    "revision": "8f782376375bb3a6cd898205ae988f4ca585417c", 
     "repo_path": "/integration/gaia-central"
 }