Merge changes Icd71c967,I3fd90ad9

* changes:
  Do not permit appdomain to create/write to download_file.
  Remove duplicated rules between appdomain and isolated_app.
diff --git a/domain.te b/domain.te
index 7c9e7a6..3db35d7 100644
--- a/domain.te
+++ b/domain.te
@@ -103,9 +103,8 @@
 # For /sys/qemu_trace files in the emulator.
 bool in_qemu false;
 if (in_qemu) {
-allow domain sysfs:file rw_file_perms;
-}
 allow domain sysfs_writable:file rw_file_perms;
+}
 
 # Read access to pseudo filesystems.
 r_dir_file(domain, proc)
diff --git a/file_contexts b/file_contexts
index 81b9da9..a70ab83 100644
--- a/file_contexts
+++ b/file_contexts
@@ -208,7 +208,7 @@
 #############################
 # sysfs files
 #
-/sys/qemu_trace/process_name	--	u:object_r:sysfs_writable:s0
+/sys/qemu_trace(/.*)?	--	u:object_r:sysfs_writable:s0
 /sys/devices/platform/nfc-power/nfc_power -- u:object_r:sysfs_nfc_power_writable:s0
 /sys/class/rfkill/rfkill[0-9]*/state -- u:object_r:sysfs_bluetooth_writable:s0
 /sys/class/rfkill/rfkill[0-9]*/type -- u:object_r:sysfs_bluetooth_writable:s0