Fix string copy termination

Test: CTS regression
Bug: 78198288
Change-Id: Id433eb3197d4faf530d5f5090ff95e51689e7088
diff --git a/services/audiopolicy/common/managerdefinitions/Android.mk b/services/audiopolicy/common/managerdefinitions/Android.mk
index e263c0c..e69e687 100644
--- a/services/audiopolicy/common/managerdefinitions/Android.mk
+++ b/services/audiopolicy/common/managerdefinitions/Android.mk
@@ -36,6 +36,7 @@
     frameworks/av/services/audiopolicy/common/include \
     frameworks/av/services/audiopolicy \
     frameworks/av/services/audiopolicy/utilities \
+    system/media/audio_utils/include \
 
 ifeq ($(USE_XML_AUDIO_POLICY_CONF), 1)