Add aaudio_config_prop and move aaudio properties

To remove ambiguous context name exported_default_prop

Bug: 71814576
Test: boot and see no denials
Change-Id: I40eb92653fabc509419e07bb4bfa7301a8762352
diff --git a/private/property_contexts b/private/property_contexts
index c2f65a6..15cc010 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -652,12 +652,12 @@
 
 vold.decrypt u:object_r:vold_status_prop:s0 exact string
 
-aaudio.hw_burst_min_usec     u:object_r:exported_default_prop:s0 exact int
-aaudio.minimum_sleep_usec    u:object_r:exported_default_prop:s0 exact int
-aaudio.mixer_bursts          u:object_r:exported_default_prop:s0 exact int
-aaudio.mmap_exclusive_policy u:object_r:exported_default_prop:s0 exact int
-aaudio.mmap_policy           u:object_r:exported_default_prop:s0 exact int
-aaudio.wakeup_delay_usec     u:object_r:exported_default_prop:s0 exact int
+aaudio.hw_burst_min_usec     u:object_r:aaudio_config_prop:s0 exact int
+aaudio.minimum_sleep_usec    u:object_r:aaudio_config_prop:s0 exact int
+aaudio.mixer_bursts          u:object_r:aaudio_config_prop:s0 exact int
+aaudio.mmap_exclusive_policy u:object_r:aaudio_config_prop:s0 exact int
+aaudio.mmap_policy           u:object_r:aaudio_config_prop:s0 exact int
+aaudio.wakeup_delay_usec     u:object_r:aaudio_config_prop:s0 exact int
 
 persist.rcs.supported u:object_r:exported_default_prop:s0 exact int