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 2a603284571c94f57fc2b569d895055d68f6fc97)
diff --git a/media/libaudioclient/include/media/AudioPolicy.h b/media/libaudioclient/include/media/AudioPolicy.h
index 08b3da1..fbb1100 100644
--- a/media/libaudioclient/include/media/AudioPolicy.h
+++ b/media/libaudioclient/include/media/AudioPolicy.h
@@ -137,6 +137,11 @@
            == MIX_ROUTE_FLAG_LOOP_BACK_AND_RENDER;
 }
 
+static inline bool is_mix_loopback(uint32_t routeFlags) {
+    return (routeFlags & MIX_ROUTE_FLAG_LOOP_BACK)
+           == MIX_ROUTE_FLAG_LOOP_BACK;
+}
+
 }; // namespace android
 
 #endif  // ANDROID_AUDIO_POLICY_H
diff --git a/services/audiopolicy/common/managerdefinitions/src/AudioPolicyMix.cpp b/services/audiopolicy/common/managerdefinitions/src/AudioPolicyMix.cpp
index 551eab6..e142bef 100644
--- a/services/audiopolicy/common/managerdefinitions/src/AudioPolicyMix.cpp
+++ b/services/audiopolicy/common/managerdefinitions/src/AudioPolicyMix.cpp
@@ -232,7 +232,8 @@
 
         // Permit match only if requested format and mix format are PCM and can be format
         // adapted by the mixer, or are the same (compressed) format.
-        if (!((audio_is_linear_pcm(config.format) && audio_is_linear_pcm(mix->mFormat.format)) ||
+        if (!is_mix_loopback(mix->mRouteFlags) &&
+            !((audio_is_linear_pcm(config.format) && audio_is_linear_pcm(mix->mFormat.format)) ||
               (config.format == mix->mFormat.format)) &&
               config.format != AUDIO_CONFIG_BASE_INITIALIZER.format) {
             return MixMatchStatus::NO_MATCH;