Allow dumpstate to read property_type

dumpstate needs to read all the system properties for debugging.

Bug: 77277669
Test: succeeded building and tested with taimen
Change-Id: I3603854b3be67d4fc55d74f7925a21bfa59c81ee

public/domain.te

@@ -560,7 +560,7 @@ neverallow {
 } serialno_prop:file r_file_perms;
 
 # Do not allow reading the last boot timestamp from system properties
-neverallow { domain -init -system_server } firstboot_prop:file r_file_perms;
+neverallow { domain -init -system_server -dumpstate } firstboot_prop:file r_file_perms;
 
 neverallow {
   domain

public/dumpstate.te

@@ -232,16 +232,8 @@ set_prop(dumpstate, exported_dumpstate_prop)
 # dumpstate_options_prop is used to pass extra command-line args.
 set_prop(dumpstate, dumpstate_options_prop)
 
-# Read device's serial number from system properties
-get_prop(dumpstate, serialno_prop)
-
-# Read state of logging-related properties
-get_prop(dumpstate, device_logging_prop)
-
-# Read state of boot reason properties
-get_prop(dumpstate, bootloader_boot_reason_prop)
-get_prop(dumpstate, last_boot_reason_prop)
-get_prop(dumpstate, system_boot_reason_prop)
+# Read any system properties
+get_prop(dumpstate, property_type)
 
 # Access to /data/media.
 # This should be removed if sdcardfs is modified to alter the secontext for its

public/netd.te

@@ -141,7 +141,7 @@ neverallow netd { appdomain userdebug_or_eng(`-su') }:binder call;
 
 # persist.netd.stable_secret contains RFC 7217 secret key which should never be
 # leaked to other processes. Make sure it never leaks.
-neverallow { domain -netd -init } netd_stable_secret_prop:file r_file_perms;
+neverallow { domain -netd -init -dumpstate } netd_stable_secret_prop:file r_file_perms;
 
 # We want to ensure that no other process ever tries tampering with persist.netd.stable_secret,
 # the RFC 7217 secret key managed by netd. Doing so could compromise user privacy.