Revert "Remove legacy/O/O-MR1 matrices."

Revert "Remove O/O-MR1 kernel configs."

Revert submission 1465685-remove_o_vintf

Reason for revert: target-level 2 devices aren't properly cleaned up

Bug: 171317032

Reverted Changes:
I5a08d616e:Remove O/O-MR1 kernel configs.
I2a65f5a24:Remove legacy/O/O-MR1 matrices.

Change-Id: I47670918183b3f419c6976ab922b87c97c9644cf