Fix denials triggered by adb shell screencap.

Change-Id: Ief925f1f49a6579d5a7a1035f3732834238fa590
Signed-off-by: Stephen Smalley <sds@tycho.nsa.gov>
diff --git a/dumpstate.te b/dumpstate.te
index 948131e..e0fe4ce 100644
--- a/dumpstate.te
+++ b/dumpstate.te
@@ -71,5 +71,5 @@
 
 # Allow the bugreport service to create a file in
 # /data/data/com.android.shell/files/bugreports/bugreport
-allow dumpstate shell_data_file:dir rw_dir_perms;
+allow dumpstate shell_data_file:dir create_dir_perms;
 allow dumpstate shell_data_file:file create_file_perms;