add perf dump

Bug: 240530709
Test: adb bugreport
Change-Id: Ie6b4ceb9dcc9daa199927fde56d720816145f344
diff --git a/performance/sepolicy/file_contexts b/performance/sepolicy/file_contexts
new file mode 100644
index 0000000..171529e
--- /dev/null
+++ b/performance/sepolicy/file_contexts
@@ -0,0 +1,2 @@
+/vendor/bin/dump/dump_perf      u:object_r:dump_perf_exec:s0
+