Commit 27.0 sepolicy prebuilts to master.

Bug: 65551293
Bug: 69390067
Test: None. Prebuilt only change.
Change-Id: I62304b342a8b52fd505892cc2d4ebc882148224b
diff --git a/prebuilts/api/27.0/private/postinstall_dexopt.te b/prebuilts/api/27.0/private/postinstall_dexopt.te
new file mode 100644
index 0000000..ff5fe87
--- /dev/null
+++ b/prebuilts/api/27.0/private/postinstall_dexopt.te
@@ -0,0 +1,5 @@
+typeattribute postinstall_dexopt coredomain;
+
+# Run dex2oat/patchoat in its own sandbox.
+# We have to manually transition, as we don't have an entrypoint.
+domain_auto_trans(postinstall_dexopt, postinstall_file, dex2oat)