Add microdroid specific sepolicy

Microdroid will have a separate sepolicy, apart from the core policy.
This is the first step; For now it's a simple copy of system/sepolicy.
For the future work, it will be stripped.

Bug: 189165759
Test: boot microdroid and see selinux enforced
Change-Id: I2fee39f7231560b49c93bd5e8d0feeffada40938
diff --git a/microdroid/sepolicy/system/public/tee.te b/microdroid/sepolicy/system/public/tee.te
new file mode 100644
index 0000000..0f9b32d
--- /dev/null
+++ b/microdroid/sepolicy/system/public/tee.te
@@ -0,0 +1,11 @@
+##
+# trusted execution environment (tee) daemon
+#
+type tee, domain;
+
+# Device(s) for communicating with the TEE
+type tee_device, dev_type;
+
+allow tee fingerprint_vendor_data_file:dir rw_dir_perms;
+allow tee fingerprint_vendor_data_file:file create_file_perms;
+