Allocate the backing SkBitmap in the SerializedImageFilter fuzzer

IIUC, this is what was intended. If the SkBitmap hasn't been initialized it will fail validation in SkBitmapDevice's valid_for_bitmap_device.

Change-Id: If6890528bcc706c02b4ca247789db524d4a2653c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201380
Commit-Queue: Robert Phillips <robertphillips@google.com>
Reviewed-by: Brian Osman <brianosman@google.com>
1 file changed