Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/acba8a7d5451
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #14473 from davidflanagan/bug945376

Bug 945376: correctly handle the None alert tone setting r=pdahiya

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https://hg.mozilla.org/integration/gaia-central/rev/e416cc78aeea
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Bug 945376: correctly handle the None alert tone setting
Bug 853356 - Part1 Add new permissions and prompt for mutiple permissions request. r=fabrice, felipc, wjohnston, mrbkap, jimm
Bug 853356 - Part2 Add MediaPermissionGonk.h and MediaPermissionGonk.cpp to implement ContentPermissionPrompt. r=jesup
Bug 853356 - Part3 Pass a string array instead of a single string to support multiple permissions request. r=khuey
Bug 945614: Don't track windowIDs in MediaEngine for B2G r=mikeh,schien
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/a695e3b85d81
Author: David Flanagan <dflanagan@mozilla.com>
Desc: Merge pull request #13820 from hotzenklotz/932919_remove_border

Bug 932919 remove borders from image editor r=davidflanagan

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https://hg.mozilla.org/integration/gaia-central/rev/1904547858df
Author: Tom Herold <therold@mozilla.com>
Desc: Bug 932919 remove borders from image editor
Bug 944665: Part 1: Move common initialization routine into a function. r=khuey
Bug 944665: Part 2: Call PreloadSlowThings after Nuwa fork. r=khuey
Bug 922465: Test Nuwa creation. r=khuey
Bug 930282: Part 1: Enable Nuwa by default. r=khuey
Bug 930282: Part 2: Mark PACMan thread and BackgroundHangMonitor thread. r=khuey
merge m-c to b2g-inbound
Merge m-c to b-i
Bumping gaia.json for 1 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/7343851c97c2
Author: Michael Henretty <michael.henretty@gmail.com>
Desc: Revert "Bug 907177 - [Clock] Add integration tests"

This reverts commit bddf28e63207e30e0cec38c60a98490117b32c89.
Merge m-c to b-i
Merge m-c to b-i
Merge m-c to b-i
merge b2g-inbound to m-c