Add sysprop for LeAudio inband ringtone support

Bug: 242685105
Test: manual
Change-Id: I9e884c0c2765285110cde943e5eb419139167a50
diff --git a/private/property_contexts b/private/property_contexts
index 6d9f5b1..c969cee 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -514,6 +514,7 @@
 bluetooth.core.gap.le.privacy.enabled                u:object_r:bluetooth_config_prop:s0 exact bool
 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.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