Run codecs in a separate process

Encoders and secure decoders still run in the mediaserver, while
all other codecs run in a separate codec process.

Bug: 22775369

Change-Id: Ifbcab8a8f2fe77d2567830ac88f0d982e77f7b00
diff --git a/services/mediacodec/mediacodec.rc b/services/mediacodec/mediacodec.rc
new file mode 100644
index 0000000..e8df7be
--- /dev/null
+++ b/services/mediacodec/mediacodec.rc
@@ -0,0 +1,5 @@
+service mediacodec /system/bin/mediacodec
+    class main
+    user mediacodec
+    group camera drmrpc mediadrm
+    ioprio rt 4