Excludes layers/ipc/CompositorBridgeParent and CrossProcessCompositorBridgeParent
because the latter purposely uses functions implemented in the former.
See also code comment in CrossProcessCompositorBridgeParent.cpp
Note: likely dead code for us anyway; likely not worth investing in to solve.
This fixes flickering/bars/stripes showing up during quickly-updating
operations on Intel hardware when using XRENDER.
For more information, refer to the code comment.
See #1061