Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/5f45db9a7ce3
Author: Luke Chang <lchang@mozilla.com>
Desc: Merge pull request #22654 from luke-chang/1047473_sms_recipient_padding

Bug 1047473 - [Messages] Small bottom padding difference when the recipient panel is closed/open, r=steveck-chung

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https://hg.mozilla.org/integration/gaia-central/rev/64256a62a5f3
Author: Luke Chang <lchang@mozilla.com>
Desc: Bug 1047473 - [Messages] Small bottom padding difference when the recipient panel is closed/open

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https://hg.mozilla.org/integration/gaia-central/rev/9a0b245b130d
Author: steveck-chung <schung@mozilla.com>
Desc: Merge pull request #22508 from steveck-chung/bug-1048365

Bug 1048365 - [Messages] Remove the "tap" action on the contact when in the report panel. r=julienw

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https://hg.mozilla.org/integration/gaia-central/rev/d064f15aadf1
Author: Steve Chung <schung@mozilla.com>
Desc: Bug 1048365 - [Messages] Remove the "tap" action on the contact when in the report panel. r=julienw

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "2837b284fceee9fa5e36f591aec70d4d7e0556f9", 
+    "revision": "5f45db9a7ce3e4b04558021a8e38736dbbb68c24", 
     "repo_path": "/integration/gaia-central"
 }