Add file context type for /sys/devices/cs_etm

This is the cs_etm (Coresight ETM) sysfs directory.

Bug: 79161490
Test: build
Change-Id: I9a66bb4b2684ef8637106a36f7d490d8f805cabf
diff --git a/private/genfs_contexts b/private/genfs_contexts
index 433abbc..accd02e 100644
--- a/private/genfs_contexts
+++ b/private/genfs_contexts
@@ -106,6 +106,7 @@
 genfscon cgroup2 / u:object_r:cgroup_v2:s0
 # sysfs labels can be set by userspace.
 genfscon sysfs / u:object_r:sysfs:s0
+genfscon sysfs /devices/cs_etm                    u:object_r:sysfs_devices_cs_etm:s0
 genfscon sysfs /devices/system/cpu u:object_r:sysfs_devices_system_cpu:s0
 genfscon sysfs /class/android_usb                 u:object_r:sysfs_android_usb:s0
 genfscon sysfs /class/extcon                      u:object_r:sysfs_extcon:s0