crash_dump_fallback: allow dumpstate:fd use.

Bug: http://b/62297059
Test: mma
Merged-In: Ibcd93e5554a9c2dd75fbfb42294fbc9b96ebc8cc
Change-Id: Ibcd93e5554a9c2dd75fbfb42294fbc9b96ebc8cc
(cherry picked from commit 17885f14)

public/te_macros

@@ -469,6 +469,7 @@ userdebug_or_eng(`
   allow $1 su:fifo_file append;
 ')
 allow $1 anr_data_file:file append;
+allow $1 dumpstate:fd use;
 allow $1 dumpstate:fifo_file append;
 allow $1 tombstoned:unix_stream_socket connectto;
 allow $1 tombstoned:fd use;