sepolicy: add permission for PCM of pixelstats-vend.

Bug: 280248990
Test: Manually test passed
Change-Id: I6739ea5a7f5feaf176126bffc0067cbdb980f479
diff --git a/audio/sepolicy/common/genfs_contexts b/audio/sepolicy/common/genfs_contexts
index 28cbc63..4b1c3a9 100644
--- a/audio/sepolicy/common/genfs_contexts
+++ b/audio/sepolicy/common/genfs_contexts
@@ -14,3 +14,5 @@
 genfscon sysfs /devices/platform/audiometrics/waves                         u:object_r:sysfs_pixelstats:s0
 genfscon sysfs /devices/platform/audiometrics/adapted_info_active_count     u:object_r:sysfs_pixelstats:s0
 genfscon sysfs /devices/platform/audiometrics/adapted_info_active_duration  u:object_r:sysfs_pixelstats:s0
+genfscon sysfs /devices/platform/audiometrics/pcm_count                     u:object_r:sysfs_pixelstats:s0
+genfscon sysfs /devices/platform/audiometrics/pcm_latency                   u:object_r:sysfs_pixelstats:s0