Don't limit glyph mask format for path effect.

This removes code which sets the mask format of a scaler context to a8
in the presence of a path effect. This is overly limiting as both a1 and
lcd16 are supported.

Change-Id: I2a9ae88eac6a80ba1307dbac3d903041a9a93bf2
Reviewed-on: https://skia-review.googlesource.com/127398
Reviewed-by: Florin Malita <fmalita@chromium.org>
Commit-Queue: Ben Wagner <bungeman@google.com>
1 file changed