SELinux policy for rss_hwm_reset

rss_hwm_reset is binary that reset RSS high-water mark counters for all
currently running processes. It runs in a separate process because it
needs dac_override capability.

Bug: 119603799
Test: no errors in logcat
Change-Id: I6221a5eca3427bf532830575d8fba98eb3e65c29
diff --git a/private/file_contexts b/private/file_contexts
index fac31a0..0d0835d 100644
--- a/private/file_contexts
+++ b/private/file_contexts
@@ -251,6 +251,7 @@
 /system/bin/usbd   u:object_r:usbd_exec:s0
 /system/bin/inputflinger u:object_r:inputflinger_exec:s0
 /system/bin/logd        u:object_r:logd_exec:s0
+/system/bin/rss_hwm_reset	u:object_r:rss_hwm_reset_exec:s0
 /system/bin/perfetto        u:object_r:perfetto_exec:s0
 /system/bin/traced        u:object_r:traced_exec:s0
 /system/bin/traced_probes        u:object_r:traced_probes_exec:s0