Allow mmd to send dump info to dumpstate

Bug: 405225601
Test: adb bugreport; verify no denials for mmd

Change-Id: I7121b465e5db8d9d2bee019b45682c73c7574dfe
diff --git a/private/mmd.te b/private/mmd.te
index 9a76909..7770865 100644
--- a/private/mmd.te
+++ b/private/mmd.te
@@ -38,3 +38,7 @@
 allow mmd stats_service:service_manager find;
 allow mmd statsmanager_service:service_manager find;
 binder_call(mmd, statsd)
+
+# Allow mmd to send dump info to dumpstate.
+allow mmd dumpstate:fd use;
+allow mmd dumpstate:fifo_file { getattr write };