Revert "Revert^2 "Implement Dot Product Vectorization for x86""

This reverts commit 7cf5607f472020711e36eedbbfebb25b40d3f90e.

Bug: 144947842

Reason for revert: Seems to have broken android.jvmti.cts.JvmtiHostTest1936#testJvmt

Change-Id: Ied6ff6ddf1cb2e3e76adcaa0fda5e36af254b7c5
11 files changed