getDeferredTextureImageData(): use legacy scaling in legacy mode

Bug:709341

Change-Id: I0dc1dcc3874f9741e0303e376a0ad4a68cd8b03e
Reviewed-on: https://skia-review.googlesource.com/13500
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Matt Sarett <msarett@google.com>
1 file changed