Simplify scale handling

SkCanonicalizeFont default fScale to 0, and in later code checks
for 0 and treats it like 1.0. Just make 1.0 mean 1.0.

Change-Id: Ibb6c8ed31013d6adc280d1105e2efcf4274f84dc
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/215164
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Herb Derby <herb@google.com>
1 file changed