SEPolicy: Add LEA codec_extension_aidl property

Adding sysprop to enable LE Audio codec_extension_aidl

Change-Id: Ib7b3624d9bdc6f05918986753ce509e5f7596996
diff --git a/private/property_contexts b/private/property_contexts
index 61dcac0..02efe22 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -661,6 +661,7 @@
 bluetooth.core.gap.le.conn.min.limit                 u:object_r:bluetooth_config_prop:s0 exact int
 bluetooth.core.gap.le.conn.only_init_1m_phy.enabled  u:object_r:bluetooth_config_prop:s0 exact bool
 bluetooth.core.le_audio.inband_ringtone.supported    u:object_r:bluetooth_config_prop:s0 exact bool
+bluetooth.core.le_audio.codec_extension_aidl.enabled u:object_r:bluetooth_config_prop:s0 exact bool
 
 bluetooth.device.default_name                        u:object_r:bluetooth_config_prop:s0 exact string
 bluetooth.device.class_of_device                     u:object_r:bluetooth_config_prop:s0 exact string