Merge m-c to b2g-inbound.
Bug 975146 - Do not use hw composer for screenshot r=bas
Bug 979450: configs for emulator-kk builds r=ryanvm DONTBUILD

--HG--
extra : rebase_source : d1b18f876855953de46014389ea0e8e82a4c9e7c
Bumping gaia.json for 4 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/8b01a33dedf6
Author: Gareth Aye <gaye@mozilla.com>
Desc: Merge pull request #16868 from gaye/bug-930784

Bug 930784 - Add option to run js ui tests in parallel

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https://hg.mozilla.org/integration/gaia-central/rev/4444a9d8210a
Author: Gareth Aye <gaye@mozilla.com>
Desc: Bug 930784 - Add option to run js ui tests in parallel

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https://hg.mozilla.org/integration/gaia-central/rev/e504675c44d3
Author: Hubert Figuière <hub@figuiere.net>
Desc: Merge pull request #14467 from hfiguiere/bug819080-perf

Bug 819080 - Add performance testing for the fmradio HAL r=julienw

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https://hg.mozilla.org/integration/gaia-central/rev/285a9713e3be
Author: Hubert Figuière <hub@figuiere.net>
Desc: Bug 819080 - Add performance testing for the fmradio HAL
Bumping manifests a=b2g-bump
Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/9a81caa1fdec
Author: Jim Porter <jporter@mozilla.com>
Desc: Merge pull request #16869 from jimporter/music2-gitignore

Bug 979647 - Fix .gitignore for music2 [NPOTB]; r=djf

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https://hg.mozilla.org/integration/gaia-central/rev/fc245f00c6a2
Author: Jim Porter <jporter@mozilla.com>
Desc: Fix .gitignore for music2 [NPOTB]
Bumping manifests a=b2g-bump
Bug 957917 - 1/2: B2G RIL - read PDP type from APN settings. r=hsinyi
Bug 957917 - 2/2: test cases. r=hsinyi
Bug 975359: add test cases for B2G orientation sensor. r=jgriffin, f=slee
Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/9b125b4cea53
Author: Alive.Kuo <alegnadise@gmail.com>
Desc: Merge pull request #16807 from alivedise/bugzilla/977450/navigation-chrome-false

Bug 977450 - AppChrome should not be instantiated if no navigation speci...,r=etienne

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https://hg.mozilla.org/integration/gaia-central/rev/158419a7c0b7
Author: Alive Kuo <alegnadise@gmail.com>
Desc: Bug 977450 - AppChrome should not be instantiated if no navigation specified in manifest.
Bumping manifests a=b2g-bump
Bumping gaia.json for 1 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/77bf26355c49
Author: Yuren Ju <yurenju@gmail.com>
Desc: Update for running tests without building profile
Bumping manifests a=b2g-bump
Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/5958b9c151b0
Author: Dominic Kuo <dkuo@mozilla.com>
Desc: Merge pull request #16871 from dominickuo/revert-bug-973156

Revert "Bug 973156 - [Music] Send mozinterruptbegin and mozinterruptend to media playback widget for displaying the correct play status"

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https://hg.mozilla.org/integration/gaia-central/rev/ef922377795a
Author: Dominic Kuo <dkuo@mozilla.com>
Desc: Revert "Bug 973156 - [Music] Send mozinterruptbegin and mozinterruptend to media playback widget for displaying the correct play status"

This reverts commit 0682e21ae9c7406828ad013c9238e4aa1fe84fe1.
Bumping manifests a=b2g-bump
Bumping gaia.json for 3 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/74a9caf001bf
Author: Mason Chang <mason@masonchang.com>
Desc: Merge pull request #16806 from changm/bug979018

Bug 979018 Make background scroll with content in SMS. r=julienw

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https://hg.mozilla.org/integration/gaia-central/rev/9a6e89241914
Author: Mason Chang <mchang@mozilla.com>
Desc: fix redundant background colors

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https://hg.mozilla.org/integration/gaia-central/rev/01ff2abf369a
Author: Mason Chang <mchang@mozilla.com>
Desc: Make background scroll with content in SMS
Bumping manifests a=b2g-bump
Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/03dfc866c15f
Author: EragonJ <eragonj@eragonj.me>
Desc: Merge pull request #15962 from EragonJ/bug-962380

Bug 962380 - [DSDS] When SIM 2 is primary outgoing call, ...

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https://hg.mozilla.org/integration/gaia-central/rev/a410285d7b3a
Author: EragonJ <eragonj@eragonj.me>
Desc: Bug 962380 - [DSDS] When SIM 2 is primary outgoing call, ...

dialing out emergency call under airplane mode will not successfully turn off airplane mode.
Bumping manifests a=b2g-bump