Don't mark the matrix-type as dirty just be cause we translate it.

This speeds up simple mods to canvas, e.g.

save()
translate(...)
...
restore()

BUG=skia:

Change-Id: I4b872e7d3102fad21d9c17a275006f5576827d41
Reviewed-on: https://skia-review.googlesource.com/9169
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Mike Reed <reed@google.com>
1 file changed