Revert "Add prebuilt DSP manager"

This reverts commit 76545364ad00dc0e42008b7b2fd95ad12ee440b5.

Change-Id: I626b5abf20afce0df6e02dad880023e3e4251908

lRevert "Bad cherry-pick"

This reverts commit b86b4dd4393296bbaabb886f1ec6186a65a804e1.

Change-Id: I626b5abf20afce0df6e02dad880023e3e4251908