Add LE connection interval sysprops

These will replace the current two sysprops below:
- min_connection_interval
- max_connection_interval
when the flag initial_conn_params_p1 is enabled.

Bug: 308483803
Bug: 378595485
Test: Manual
Change-Id: If4482a357d24d12e0c931eaa1e825bea2ebd0833
diff --git a/private/property_contexts b/private/property_contexts
index 6b825cb..7591e40 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -691,6 +691,10 @@
 
 bluetooth.core.le.min_connection_interval            u:object_r:bluetooth_config_prop:s0 exact uint
 bluetooth.core.le.max_connection_interval            u:object_r:bluetooth_config_prop:s0 exact uint
+bluetooth.core.le.min_connection_interval_relaxed    u:object_r:bluetooth_config_prop:s0 exact uint
+bluetooth.core.le.max_connection_interval_relaxed    u:object_r:bluetooth_config_prop:s0 exact uint
+bluetooth.core.le.min_connection_interval_aggressive u:object_r:bluetooth_config_prop:s0 exact uint
+bluetooth.core.le.max_connection_interval_aggressive u:object_r:bluetooth_config_prop:s0 exact uint
 bluetooth.core.le.connection_latency                 u:object_r:bluetooth_config_prop:s0 exact uint
 bluetooth.core.le.connection_supervision_timeout     u:object_r:bluetooth_config_prop:s0 exact uint
 bluetooth.core.le.direct_connection_timeout          u:object_r:bluetooth_config_prop:s0 exact uint