sepolicy: Allow media_rw write to fix camcorder denials

Change-Id: Icc892d8b2c34950431564738b66d8e8baefc62be
diff --git a/sepolicy/mediaserver.te b/sepolicy/mediaserver.te
index ea26cdf..4074630 100644
--- a/sepolicy/mediaserver.te
+++ b/sepolicy/mediaserver.te
@@ -1,3 +1,6 @@
 # Themed resources (i.e. composed icons)
 allow mediaserver theme_data_file:dir r_dir_perms;
 allow mediaserver theme_data_file:file r_file_perms;
+
+# For camera
+allow mediaserver media_rw_data_file:file write;