Add adbd_prop, system_adbd_prop property types.

service.adb.tls.port contains the adbd tcp port running the TLS server.
persist.sys.adb.wifi tells adbd when to enable the TLS server.

Bug: 149348431
Bug: 111434128

Test: Enable wireless debugging, check if TLS port information is
displayed in the Developer options > Wireless debuggging.
Change-Id: I5b5c5a3d064bc003f41386ede9051609fefec53e
diff --git a/private/system_server.te b/private/system_server.te
index ef527fd..97353b0 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -853,8 +853,11 @@
 allow system_server adbd:fd use;
 allow system_server adbd:unix_stream_socket { getattr getopt ioctl read write shutdown };
 
-# Read persist.adb.wifi. properties
-get_prop(system_server, shell_prop)
+# Read service.adb.tls.port, persist.adb.wifi. properties
+get_prop(system_server, adbd_prop)
+
+# Set persist.adb.tls_server.enable property
+set_prop(system_server, system_adbd_prop)
 
 # Allow invoking tools like "timeout"
 allow system_server toolbox_exec:file rx_file_perms;