Add service wait override property for audioserver clients

Flag: EXEMPT bugfix
Test: compiles
Bug: 375691003
Change-Id: I022fd7b9cbb9ba122d93c35a3b2190f479406ea3
diff --git a/private/property_contexts b/private/property_contexts
index 58a1858..3da6d7b 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -426,6 +426,9 @@
 audio.timecheck.timeout_duration_ms       u:object_r:audio_config_prop:s0 exact int
 audio.timecheck.second_chance_duration_ms u:object_r:audio_config_prop:s0 exact int
 
+# Client wait timeout for audioserver before returning error (usually between 3000 to 10000).
+audio.service.client_wait_ms              u:object_r:audio_config_prop:s0 exact int
+
 # spatializer tuning
 audio.spatializer.priority               u:object_r:audio_config_prop:s0 exact int
 audio.spatializer.effect.affinity        u:object_r:audio_config_prop:s0 exact int