mm_event: move mm_event sepolicy into common

Bug: 152414692
Test: build
Signed-off-by: Martin Liu <liumartin@google.com>
Change-Id: Ia8ae43102aa9aaf20db0043ffb0533474c768887
diff --git a/vendor/google/vendor_init.te b/vendor/google/vendor_init.te
index f62adcf..b9df04f 100644
--- a/vendor/google/vendor_init.te
+++ b/vendor/google/vendor_init.te
@@ -5,9 +5,6 @@
 # ro.boot.hardware.radio.subtype at boot
 get_prop(vendor_init, vendor_radio_sku_prop)
 
-allow vendor_init debugfs_tracing_instances:dir create_dir_perms;
-allow vendor_init debugfs_tracing_instances:file w_file_perms;
-
 # Allow vendor_init to set property of logpersistd_logging_prop
 userdebug_or_eng(`
   set_prop(vendor_init, logpersistd_logging_prop)