pixel-sepolicy/ramdump: Add sepolicies for ramdump types & domain

Bug: 160434722
Bug: 161103878
Change-Id: I7950c5eb9c3845da397e2c37aaf28234d8a8a6fe
diff --git a/ramdump/file.te b/ramdump/file.te
new file mode 100644
index 0000000..3fa2b2f
--- /dev/null
+++ b/ramdump/file.te
@@ -0,0 +1 @@
+allow ramdump_vendor_mnt_file self:filesystem associate;