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ARROW-15678: [C++] Add support for -DCMAKE_BUILD_TYPE=MinSizeRel (#14342)

If we build with -DCMAKE_BUILD_TYPE=MinSizeRel, our SIMD related code may violate the one-definition-rule. See also ARROW-15664 and https://issues.apache.org/jira/browse/ARROW-15678?focusedCommentId=17613909#comment-17613909 for details.

This change prevents the one-definition-rule violation by forcing inlining as much as possible.

Authored-by: Sutou Kouhei <kou@clear-code.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>