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

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https://hg.mozilla.org/integration/gaia-central/rev/a4ef800576e5
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Merge pull request #14704 from KevinGrandon/bug_826274_annoying_sound

Bug 826274 - Disabled lock screen sound still plays r=timdream

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https://hg.mozilla.org/integration/gaia-central/rev/221a6c457f11
Author: Kevin Grandon <kevingrandon@yahoo.com>
Desc: Bug 826274 - Disabled lock screen sound still plays
Merge mozilla-central to b2g-inbound
Bumping gaia.json for 2 gaia-central revision(s) a=gaia-bump

========

https://hg.mozilla.org/integration/gaia-central/rev/2cadc5d69c72
Author: Gregor Wagner <anygregor@gmail.com>
Desc: Merge pull request #14752 from gregorwagner/back

Travis bustage fix.

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https://hg.mozilla.org/integration/gaia-central/rev/9005e1961498
Author: Gregor Wagner <anygregor@gmail.com>
Desc: Travis bustage fix
Bug 901457 - [sms][mms] We need a property for the "sent" timestamp (part 1, IDL changes). sr=sicking f=vicamo
Bug 901457 - [sms][mms] We need a property for the "sent" timestamp (part 2, implementation). r=vicamo
Bug 932621 - Make sure the latency does not grow up in ScriptProcessorNode.  r=ehsan
Bug 950026 - Bail out when we don't get an expected return value from AudioClient::IsFormatSupported, instead of asserting. r=kinetik

This will fall back to our own channel mapping code, instead of trying to use
the platform's.
Bug 932621 - Use fabs instead of abs (forgot to address review comments). r=ehsan
bug 949821 - use MOZ_UTF16 more and NS_LITERAL_STRING less r=froydnj
Bug 950503 - Build accessible/src/windows in unified mode; r=tbsaunde
Bug 948134 - Fix "value is not defined" in PlacesDBUtils.jsm. r=adw.

--HG--
extra : rebase_source : b9ff5eed8eae0f14dd231a842cbd9e49d7b8a03c
Bug 793860, part 0c - Declare some accidentally undeclared variables. r=ahuang.

--HG--
extra : rebase_source : b2d03a16926a924717e687516521d58614487d3c
Bug 793860, part 1 - Simplify the bytecode emitted for certain kinds of array destructuring assignment. Remove JSOP_ENUMCONSTELEM which is then no longer used (and JSOP_GETFUNNS which has not been used for some time). r=luke.

--HG--
extra : rebase_source : 4de2637c41999b7dce5d468609ab35b98341327b
Bug 793860, part 2 - Remove JSOP_ENUMELEM. r=luke.

--HG--
extra : rebase_source : 4437d5bbf10755e184419471afccee81af367e14
Bug 930565 - Improve constant folding around addition when at least one operand is not a string or number literal. r=jorendorff,r=luke.

--HG--
extra : rebase_source : dd61ec801b8deb9617b64721493f308fe1dfaa91
Bug 948647, part 1 - Make sure exn_finalize is safe when the object's reserved slot was never initialized (due to OOM right after it was allocated). r=Waldo.

--HG--
extra : rebase_source : ea5c2c0cf40267a8d9c8c55a5b5d10d41a933761
Bug 948647, part 2 - Rename js_ReportErrorAgain to js::CallErrorReporter (and other related tidying-up). r=Waldo.

--HG--
extra : rebase_source : 390a3f249982ed3b5843e78077bcd102e1366a48
Bug 948647, part 3 - Change js_ErrorToException to return true iff cx->throwing was set, and document the convention. r=Waldo.

--HG--
extra : rebase_source : d7db5309c651b8d8954bb480746efd9dd04db6d9
Bug 950474 - Handle OOM in getOrCreateMatchResultTemplateObject. r=h4writer
Bug 527201 - Remove the hack to skip bogus MathML _moz-* attributes in the HTML5 test suite. r=hsivonen