Bumping gaia.json for 12 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_0/rev/4cd7f4cdf037
Author: Guillaume C. Marty <edo999@gmail.com>
Desc: Merge pull request #21118 from gmarty/Bug-1027391-SIM-lock-shows-transparent-status-bar

Bug 1027391 - SIM lock shows a transparent status bar

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https://hg.mozilla.org/integration/gaia-2_0/rev/148b712b5e67
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21372 from KevinGrandon/bug_1033451_collection_pin_perf

Bug 1033451 - [Smart Collection] Adding collection to top is slow to draw and load

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https://hg.mozilla.org/integration/gaia-2_0/rev/5378aee4332b
Author: Julien Wajsberg <felash@gmail.com>
Desc: Merge pull request #21253 from steveck-chung/bug-1030160

Bug 1030160 - [Messages][MMS] Subject is considered empty even if it has several empty lines
Conflicts:
	apps/sms/test/unit/thread_ui_test.js

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https://hg.mozilla.org/integration/gaia-2_0/rev/1bd98426037d
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21001 from sfoster/bug-1023863-dividers

Bug 1023863 - Adjust divider margins

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https://hg.mozilla.org/integration/gaia-2_0/rev/5773e73f5964
Author: James Burke <jrburke@gmail.com>
Desc: Merge pull request #21373 from jrburke/bug1024856-email-link-view

Bug 1024856 - [email/UI] Change hyperlink handling to explicitly trigger view activity r=asuth

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https://hg.mozilla.org/integration/gaia-2_0/rev/24b9af9e45dc
Author: Ben Francis <ben@tola.me.uk>
Desc: Merge pull request #21055 from benfrancis/1021385

Bug 1021385 - Open link in new tab from wrapper should open in browser r=daleharvey

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https://hg.mozilla.org/integration/gaia-2_0/rev/2eae44323043
Author: Julien Wajsberg <felash@gmail.com>
Desc: Merge pull request #21280 from julienw/1022755-dont-scroll-if-in-wrong-panel

Bug 1022755 - do not scroll if we're not in the right panel r=azasypkin

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https://hg.mozilla.org/integration/gaia-2_0/rev/45b54919ff3e
Author: crdlc <crdlc@tid.es>
Desc: Bug 1033926 - [Vertical Homescreen] Statusbar does not get opaque after exiting an app using the keyboard and re-entering it

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https://hg.mozilla.org/integration/gaia-2_0/rev/a20b6a7a823e
Author: Anthony Ricaud <anthony@ricaud.me>
Desc: Merge pull request #21213 from pacorampas/USSD-screen-1030049

Bug 1025631 - Incomplete visual refresh for USSD screen r=rik

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https://hg.mozilla.org/integration/gaia-2_0/rev/b5c81d38aeb8
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #21242 from KevinGrandon/bug_1030440_vertical_default_layout

Bug 1030440 - [Vertical Homescreen] Optimize default icon configuration

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https://hg.mozilla.org/integration/gaia-2_0/rev/330f95f2a357
Author: Jim Porter <jporter@mozilla.com>
Desc: Merge pull request #21236 from jimporter/ringtones-mp3

Bug 1032702 - Cannot select preloaded MP3 as ringtone

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https://hg.mozilla.org/integration/gaia-2_0/rev/856f5773b5c0
Author: Jim Porter <jporter@mozilla.com>
Desc: Merge pull request #21191 from jimporter/ringtones-create-window-stack

Bug 1030954 - [ringtones][window management] create ringtone screen does...
Bumping manifests a=b2g-bump