Bumping gaia.json for 8 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/4476a9df53ab
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #17571 from RudyLu/keyboard/Bug983012_master

Bug 983012 - [Sora][Message][Input method]The virtual keyboard is
r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/9cade1438d30
Author: Rudy Lu <me@rudy.lu>
Desc: Bug 983012 - [Sora][Message][Input method]The virtual keyboard is
disable after switching the keyboard as pinyin.
 - Remove the touchmove event listeners from the touched keys when
   switching layouts.

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https://hg.mozilla.org/integration/gaia-central/rev/d3885fb8715c
Author: Zac <zcampbell@mozilla.com>
Desc: Merge pull request #17600 from zacc/bug_987847

Bug 987847 - Debug test_settings_wallpaper.py

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https://hg.mozilla.org/integration/gaia-central/rev/19e8381a68ca
Author: Zac <zcampbell@mozilla.com>
Desc: Bug 987847 - Resolve timing in test_settings_wallpaper.py and re-enable

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https://hg.mozilla.org/integration/gaia-central/rev/791c8ca23c3c
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #17619 from KevinGrandon/revert_camera_features

Revert "Merge pull request #17599 from dmarcos/camera-new-features-master"

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https://hg.mozilla.org/integration/gaia-central/rev/d64c49a74f0c
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Revert "Merge pull request #17599 from dmarcos/camera-new-features-master"

This reverts commit 2f48cfaf3dcc1732c57dbc0706819e9359d79fce, reversing
changes made to ede2b2488f467a0b8bddf5a741e07464cd15f735.

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https://hg.mozilla.org/integration/gaia-central/rev/e5cddba3a31a
Author: Gareth Aye <gaye@mozilla.com>
Desc: Merge pull request #17615 from gaye/backout-marionette-client-bump

Revert "Merge pull request #17609 from KevinGrandon/bug_985112_marionett...

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https://hg.mozilla.org/integration/gaia-central/rev/a6dfca16d815
Author: Gareth Aye <gaye@mozilla.com>
Desc: Revert "Merge pull request #17609 from KevinGrandon/bug_985112_marionette_client_1_1_x"

This reverts commit d19a7fb3efa74c479be7f0b24f030e9895eb4b7a, reversing
changes made to 732a35447c7da220578fc21e10fe119c2552d662.
Bumping manifests a=b2g-bump