Format skpbench.cpp with tools/rewrite_includes.py

Change-Id: Ib3a1e21a6531c3995cbd7e530c3cf70e6f3fd2c9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230125
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Nathaniel Nifong <nifong@google.com>
1 file changed