Move mysql ha strategy to a plugin. Activate this plugin using the mysqlha profile or the noredist flag
(cherry picked from commit a0f932437c9ac9a0a82cc9b45b1aa6f17e8a478a)

Signed-off-by: Animesh Chaturvedi <animesh@apache.org>
Fix typo
(cherry picked from commit 3beb75cdf1ffa681d2efeecc0c6001f6f064a578)

Signed-off-by: Animesh Chaturvedi <animesh@apache.org>