Label ro.force.debuggable as build_prop

It was default_prop. Label it build_prop for good code hygiene.

Bug: 223517900
Test: Boot with and without debug boot image
Change-Id: I4e00d301eb526a0fc9e29657cbcedda8dd0fc7b1
diff --git a/private/property_contexts b/private/property_contexts
index b45cd0f..90b8744 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -810,7 +810,8 @@
 
 ro.actionable_compatible_property.enabled u:object_r:build_prop:s0 exact bool
 
-ro.debuggable u:object_r:build_prop:s0 exact bool
+ro.debuggable       u:object_r:build_prop:s0 exact bool
+ro.force.debuggable u:object_r:build_prop:s0 exact bool
 
 ro.treble.enabled u:object_r:build_prop:s0 exact bool