Bumping gaia.json for 9 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/8bc756153f52
Author: Yoshi Huang <allstars.chh@gmail.com>
Desc: Merge pull request #26517 from allstarschh/Bug1103732b

Bug 1103732 - remove getNFCPeer. r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/cc856f604ede
Author: Yoshi Huang <allstars.chh@mozilla.com>
Desc: Bug 1103732 - remove getNFCPeer

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https://hg.mozilla.org/integration/gaia-central/rev/103ba3634733
Author: Yoshi Huang <allstars.chh@gmail.com>
Desc: Merge pull request #26503 from allstarschh/Bug1048676_1125b

Bug1048676 - use nfc-share and nfc permission. r=alive, dkuo, arthurcc, francisco

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https://hg.mozilla.org/integration/gaia-central/rev/dd4c07b53859
Author: Yoshi Huang <allstars.chh@mozilla.com>
Desc: Bug 1048676 - Part 6: use nfc-share in communication app.

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https://hg.mozilla.org/integration/gaia-central/rev/b78c381de85b
Author: Yoshi Huang <allstars.chh@mozilla.com>
Desc: Bug 1048676 - Part 5: use nfc permission in Settings app.

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https://hg.mozilla.org/integration/gaia-central/rev/6d41dd0a52e9
Author: Yoshi Huang <allstars.chh@mozilla.com>
Desc: Bug 1048676 - Part 4: use nfc-share permission in Music app.

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https://hg.mozilla.org/integration/gaia-central/rev/ccd81045cf54
Author: Yoshi Huang <allstars.chh@mozilla.com>
Desc: Bug 1048676 - Part 3: use nfc-share permission in Gallery app.

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https://hg.mozilla.org/integration/gaia-central/rev/e34c91bd0397
Author: Yoshi Huang <allstars.chh@mozilla.com>
Desc: Bug 1048676 - Part 2: use nfc-share permission in Video app.

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https://hg.mozilla.org/integration/gaia-central/rev/e086242feb7a
Author: Yoshi Huang <allstars.chh@mozilla.com>
Desc: Bug 1048676 - Part 1: use nfc-share permission in System app.

b2g/config/gaia.json

@@ -4,6 +4,6 @@
         "remote": "", 
         "branch": ""
     }, 
-    "revision": "6215881c830f391f38ea14d3b336174d4f69ad99", 
+    "revision": "8bc756153f52bfaeeb18c0df6a363a8d2cfb1c31", 
     "repo_path": "integration/gaia-central"
 }