Remove unneeded Skia include in ReorderBarrierDrawables.cpp

SkGaussianEdgeShader.h is a private Skia header, and not
used at all in ReorderBarrierDrawables.cpp.

Test: refactoring CL. Existing unit tests still pass.

Change-Id: I01c6b2a9ce53617ce338a7fbd45554d2d2604c9e
Signed-off-by: Florin Malita <fmalita@google.com>
(cherry picked from commit 4bb94d19c6771cf886f1e94dbc2ca3da9c9f8dce)
1 file changed