Fix visual studio project files around SK_FREETYPE_MINIMUM_RUNTIME_VERSION

Replaced use of bit shifting operators with
multiplication because visual studio fails to open projects using
the '<<' operator in preprocessor definitions.

BUG=700926

Review-Url: https://codereview.chromium.org/2794893003
Cr-Commit-Position: refs/heads/master@{#461572}
1 file changed