crash_dump_fallback: allow dumpstate:fd use.

Bug: http://b/62297059
Test: mma
Merged-In: Ibcd93e5554a9c2dd75fbfb42294fbc9b96ebc8cc
Change-Id: Ibcd93e5554a9c2dd75fbfb42294fbc9b96ebc8cc
(cherry picked from commit 17885f148db4f24d2fc00b3cf25d9c46ee3ffe5d)
1 file changed