Workaround win2019 bad bit field code gen
Workaround win2019 bad bit field code gen

Change-Id: I51130e4a0f62eb9e803710c23a7c5efda6b48012
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/529607
Reviewed-by: Arman Uguray <b18dd57f0c81bc1fc439e303e71d2866b09f3bd2@google.com>
Commit-Queue: Herb Derby <9e12a3d2bbf73546e47cc9958f6ba8f3215b7eaf@google.com>

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