Backed out changeset ddf944cc292d (bug 863324) for Android bustage on a CLOSED TREE.

--HG--
rename : gfx/layers/ipc/PLayerTransaction.ipdl => gfx/layers/ipc/PLayers.ipdl
rename : gfx/layers/ipc/LayerTransactionChild.cpp => gfx/layers/ipc/ShadowLayersChild.cpp
rename : gfx/layers/ipc/LayerTransactionChild.h => gfx/layers/ipc/ShadowLayersChild.h
rename : gfx/layers/ipc/LayerTransactionParent.cpp => gfx/layers/ipc/ShadowLayersParent.cpp
rename : gfx/layers/ipc/LayerTransactionParent.h => gfx/layers/ipc/ShadowLayersParent.h