Disallowed explicit routing for user device affinities conflicts

If user id device affinities for a particular device
disallows playback for a user id, then the explicit audio
routing (#setPreferredDevice) is disallowed. Otherwise,
the explicity routing is allowed.

Bug: 237733218
Test: atest audiopolicy_tests
Change-Id: I823e7e59e86303f80808d4953b52efad5da8e779
diff --git a/media/libaudioclient/AudioPolicy.cpp b/media/libaudioclient/AudioPolicy.cpp
index 6bb0cbe..750ce1c 100644
--- a/media/libaudioclient/AudioPolicy.cpp
+++ b/media/libaudioclient/AudioPolicy.cpp
@@ -203,9 +203,10 @@
     return false;
 }
 
-bool AudioMix::hasMatchUserIdRule() const {
+bool AudioMix::hasUserIdRule(bool match) const {
+    const uint32_t rule = match ? RULE_MATCH_USERID : RULE_EXCLUDE_USERID;
     for (size_t i = 0; i < mCriteria.size(); i++) {
-        if (mCriteria[i].mRule == RULE_MATCH_USERID) {
+        if (mCriteria[i].mRule == rule) {
             return true;
         }
     }