remove unneeded android flag for textdecorations

BUG=skia:

Change-Id: I8d2d15fca9b009ef87075497f58b14d913e2e6b1
Reviewed-on: https://skia-review.googlesource.com/9119
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed