Revert "frameworks/av: Integrate DTS M6/M8 decoder"

This reverts commit b074b48015983ed62605f2ca307c9ca1163ae144.
Revert "frameworks/av: Integrate DTS M6/M8 decoder"

This reverts commit 697699017c54d0ea5ea4ec01889eff81b0e3abf7.
frameworks/av: Integrate DTS M6/M8 decoder

Add support to integrate the DTS M6/M8 audio
software decoders.

Signed-off-by: Darren Mohle <darren.mohle@dts.com>