manta: give mediaserver access to g2d

Change-Id: Ie1b149383c914c3346d8c99b287b579a9ceb8000
Signed-off-by: Greg Hackmann <ghackmann@google.com>
diff --git a/ueventd.manta.rc b/ueventd.manta.rc
index e2c0ecb..6eccc2a 100755
--- a/ueventd.manta.rc
+++ b/ueventd.manta.rc
@@ -106,3 +106,6 @@
 
 # secure mem driver
 /dev/s5p-smem             0660   drm        drmrpc
+
+# G2D
+/dev/fimg2d               0660   media      media