Add mediacodec.policy to the mainline system.

Bug: 110363419
Bug: 116668460
Test: make -j
Change-Id: I557f99fe463435a78c6b803b08b944574319f0a9
diff --git a/target/product/base_system.mk b/target/product/base_system.mk
index 8c20a42..88f6608 100644
--- a/target/product/base_system.mk
+++ b/target/product/base_system.mk
@@ -202,6 +202,7 @@
     mdnsd \
     media \
     media_cmd \
+    mediacodec.policy \
     mediadrmserver \
     mediaextractor \
     mediametrics \