Add API to update mix rule for registered AudioMix-es

Bug: 293874525
Test: atest AudioHostTest AudioServiceHostTest
Change-Id: I5d254ccd91b5e6c82ed786d4ebd66a265d0faf4c
diff --git a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
index b907305..63c0ba5 100644
--- a/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
+++ b/services/audiopolicy/managerdefault/AudioPolicyManager.cpp
@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+#include "utils/Errors.h"
 #define LOG_TAG "APM_AudioPolicyManager"
 
 // Need to keep the log statements even in production builds
@@ -3790,6 +3791,17 @@
     return res;
 }
 
+status_t AudioPolicyManager::updatePolicyMix(
+            const AudioMix& mix,
+            const std::vector<AudioMixMatchCriterion>& updatedCriteria) {
+    status_t res = mPolicyMixes.updateMix(mix, updatedCriteria);
+    if (res == NO_ERROR) {
+        checkForDeviceAndOutputChanges();
+        updateCallAndOutputRouting();
+    }
+    return res;
+}
+
 void AudioPolicyManager::dumpManualSurroundFormats(String8 *dst) const
 {
     size_t i = 0;