Bumping gaia.json for 1 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/ca8a474b40f9
Author: Eric O'Connor <eric@bocoup.com>
Desc: Bug 934722 - [clock] Unit tests compute timezone offset incorrectly - r=gnarf

Closes gh-13366
Bug 904298 - Implement mozilla::{AssertAppPrincipal,CheckPermission}. r=sicking
Bug 904298 - Bustage fix.
Backed out 2 changesets (bug 904298) DONTBUILD
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/4ccffd205a31
Author: John Hu <johu@mozilla.com>
Desc: Merge pull request #12660 from mahsam/882088-video-thumbnail

882088 - fix thumbnail aspect ratio in video app, r=johnhu

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https://hg.mozilla.org/integration/gaia-central/rev/4d6cb187e5e4
Author: mahsam <mahsam.29@gmail.com>
Desc: 882088 - fix thumbnail aspect ratio in video app

882088 - better calculation for square images

882088 - use scale function in order to fix 1 pixel issue

882088 - add some comments
Bug 931746 - Only handle events from our direct descendants. r=yxl
Merge m-c to b2g-inbound
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 853356 - Test: Check mediastream track according to request type. r=jsmith
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-central/rev/9c89bc252dca
Author: gasolin <gasolin@gmail.com>
Desc: Merge pull request #13276 from gasolin/issue-919927

Bug 919927 - [Permission] use permissions instead of permission/option/o...,r=alive

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https://hg.mozilla.org/integration/gaia-central/rev/81325984348c
Author: gasolin <gasolin@gmail.com>
Desc: Bug 919927 - [Permission] use permissions instead of permission/option/options
Backout 3c0d710561bf (bug 927363) due to causing bug 930296.
Backout dc03ef5cd3fd
Backout 6d33ac3a2b14
Backout 2baeee8eb114
Backout 3903cb4b779f
Backout 87b5e35236ef (bug 931746) breaks UI tests
merge b2g-inbound to mozilla-central