Split opts_check_arm.cpp into per-class files

Signed-off-by: Kévin PETIT <kevin.petit@arm.com>

BUG=skia:
R=djsollen@google.com

Author: kevin.petit@arm.com

Review URL: https://codereview.chromium.org/157863003

git-svn-id: http://skia.googlecode.com/svn/trunk@13381 2bbb7eff-a529-9590-31e7-b0007b416f81
6 files changed