Added fix for Support non PCM output requests

Added check to only support non PCM output request with dynamic audio
policy for non-loopback audio policy mixes.

Bug: 242015801
Test: Ran audio capture with MP3 playback
Change-Id: I006be240d60648aa547b31ddc54ebf365b90d8fc
Merged-In: I006be240d60648aa547b31ddc54ebf365b90d8fc
(cherry picked from commit 2a603284)