Reverting a part of blitter selection change
Reverting a part of blitter selection change

that wouldn't allow to use RasterPipeline
when SkVM blitter cannot be created

Change-Id: Ieadf06169c8163a8490df19258eb4dd25e31ee05
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/516997
Reviewed-by: Brian Osman <794c0b5534edf5601d88e1d41975d0262da12894@google.com>
Commit-Queue: Julia Lavrova <66a91ddff0a66e6df510780220f7ed6687af5ca5@google.com>

google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia,google/skia