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

========

https://hg.mozilla.org/integration/gaia-central/rev/f42e47a5c154
Author: Timothy Guan-tin Chien <timdream@gmail.com>
Desc: Merge pull request #18386 from gurumukhi/patch-12

Bug 973484 - Remove workaround of bug 783076, r=timdream

========

https://hg.mozilla.org/integration/gaia-central/rev/cd1eee4a801c
Author: Ram Dayal Vaishnav <vaishnav.rd@gmail.com>
Desc: Bug 973484 - Remove workaround of bug 783076
Bumping manifests a=b2g-bump
Bug 949325 - C++ wrapper to support DataStore API on the worker (part 1, C++ stubs for DataStore and DataStoreCursor). r=baku,ehsan

--HG--
rename : dom/datastore/DataStoreCursor.jsm => dom/datastore/DataStoreCursorImpl.jsm
rename : dom/datastore/DataStore.jsm => dom/datastore/DataStoreImpl.jsm
Make nsLineBox.mBounds a LogicalRect. Bug 789096, r=jfkthame
Add some more logical getters to nsIFrame.h. Bug 735577, r=jfkthame
Bug 993413 - Remove use of JS_Add/Remove*Root in favour of JS::PersistentRooted where possible r=terrence r=bz r=bholley
Bug 912581 - Make JS_Add*Root APIs take Heap<T> r=terrence r=bz r=bholley
Bug 995657 - Check new capacity is large enough when growing the mark stack r=terrence
Bug 974710 - Stop incorrectly reporting errors with values attribute on the animateMotion element. r=dholbert
Backed out changeset 5bb0b8d757f4 (bug 974710) for m-3 test failure
Bug 945152 - Part 1: Support mapped array buffer type. r=sfink
Bug 945152 - Part 2: Report mapped array buffer statistics for about:memory. r=njn
Bug 975065 - implement Text accessible text range methods, r=tbsaunde
Merge m-c to mozilla-inbound
Bug 992968 - . r=efaust a=abillings
Bug 993034: SIMD - Rename toType2 into toType and make it fallible; r=nmatsakis
Bug 993034: SIMD - Clean up coding style and reorganize functions by number of arguments; r=nmatsakis
Bug 993034: SIMD - Replace and simplify bogus pointer in Int32x4Select; r=nmatsakis
Bug 993034: SIMD - Define shallow wrappers macro that call templated functions instead of macro functions; r=nmatsakis
Bug 993034: SIMD - Factor out tests for object and vector in a single function; r=nmatsakis