Updated sources according to improved version of common MSA macros. Enabled respective convolve MSA hooks and tests. Overall, this is just upgrading the code with styling changes. Change-Id: If5ad6ef8ea7ca47feed6d2fc9f34f0f0e8b6694d
average improvement ~5x-8x Change-Id: I3214734cb3716e742907ce0d2d7a042d953df82b
average improvement ~6x-10x Change-Id: Ie3f3ab3a9005be84935919701e56b404e420affa