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

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https://hg.mozilla.org/integration/gaia-2_0/rev/2d930aea9b2d
Author: Ahmed Nefzaoui <nefzaoui.ahmed@hotmail.com>
Desc: Merge pull request #20909 from anefzaoui/bug-1029175

Bug 1029175 - [Homescreen] Notification tray needs visual attention

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https://hg.mozilla.org/integration/gaia-2_0/rev/812d94a68935
Author: gitmai <mri@tid.es>
Desc: Merge pull request #21520 from gitmai/bug-1032095-usage-message-with-sound

Bug 1032095 - Usage message with sound
r=salva

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https://hg.mozilla.org/integration/gaia-2_0/rev/85d31c84c52e
Author: Jose Antonio Olivera Ortega <josea.olivera@gmail.com>
Desc: Merge pull request #21399 from jaoo/1016277

Bug 1016277 - If two different apps try to use the 'telephony' channel at the same time both apps can play audio. r=etienne_s
Conflicts:
	apps/callscreen/test/unit/calls_handler_test.js

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https://hg.mozilla.org/integration/gaia-2_0/rev/9173a901457b
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Merge pull request #21624 from Rik/find-contacts-when-removing-1029581

Bug 1029581 - Contact name is not shown in the call log after having two... r=drs
Conflicts:
	build/jshint/xfail.list

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https://hg.mozilla.org/integration/gaia-2_0/rev/1b3a37eb6b25
Author: crdlc <crdlc@tid.es>
Desc: Bug 1035084 - The statusbar disappears from lockscreen

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https://hg.mozilla.org/integration/gaia-2_0/rev/2777e0419c1e
Author: Rudy Lu <me@rudy.lu>
Desc: Merge pull request #21602 from RudyLu/keyboard/Bug1034210_commit

Bug 1034210 - send correct keycode for non-latin IME.
r=timdream.

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https://hg.mozilla.org/integration/gaia-2_0/rev/0e29cf22990c
Author: Diego Marcos <diego.marcos@gmail.com>
Desc: Merge pull request #21509 from dmarcos/bug1035383

Bug 1035383 - [B2G][Camera] The user is able to use the camera when batt...

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https://hg.mozilla.org/integration/gaia-2_0/rev/41d26d79fd24
Author: Justin D'Arcangelo <justindarc@gmail.com>
Desc: Merge pull request #21592 from justindarc/bug1036312

Bug 1036312 - Camera flash flashes when in background
Bumping manifests a=b2g-bump